diff --git a/keyboards/hhkb/keymaps/brett/config.h b/keyboards/hhkb/keymaps/brett/config.h
new file mode 100644
index 0000000000..b9a61e10a7
--- /dev/null
+++ b/keyboards/hhkb/keymaps/brett/config.h
@@ -0,0 +1,17 @@
+#pragma once
+
+// Define mousekey settings
+#define MOUSEKEY_DELAY 0
+#define MOUSEKEY_INTERVAL 20
+#define MOUSEKEY_MAX_SPEED 2
+#define MOUSEKEY_TIME_TO_MAX 5
+#define MOUSEKEY_WHEEL_DELAY 0
+
+#define LSPO_KEY KC_9
+#define RSPC_KEY KC_0
+#define LSPO_MOD KC_LSHIFT
+#define RSPC_MOD KC_RSHIFT
+
+// This makes it possible to do rolling combos (zx) with keys that convert to other keys on hold (z becomes ctrl when
+// you hold it, and when this option isn't enabled, z rapidly followed by x actually sends Ctrl-x. That's bad.)
+#define IGNORE_MOD_TAP_INTERRUPT
diff --git a/keyboards/hhkb/keymaps/brett/keymap.c b/keyboards/hhkb/keymaps/brett/keymap.c
new file mode 100644
index 0000000000..1201146b00
--- /dev/null
+++ b/keyboards/hhkb/keymaps/brett/keymap.c
@@ -0,0 +1,119 @@
+/* -*- eval: (turn-on-orgtbl); -*-
+ * Brettm12345 HHKB Layout
+ */
+#include QMK_KEYBOARD_H
+#include "brett.h"
+
+enum layers {
+ BASE = 0,
+ HHKB = 1,
+ PROG = 2,
+ MOUSE = 3
+};
+
+// Tap for tab hold for MOUSE
+#define TAB_MOUSE LT(MOUSE, KC_TAB)
+
+// Tap for space hold for PROG
+#define SPACE_PROG LT(PROG, KC_SPC)
+
+// Tap for ESC hold for CTRL
+#define CTL_ESC CTL_T(KC_ESC)
+
+// Tab for ; hold for PROG
+#define PROG_SCLN LT(PROG, KC_SCLN)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ /* BASE Level: Default Layer
+ |---------+---+---+---+---+---+---+---+---+---+---+--------+--------+-----------+---|
+ | Esc | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | - | = | \ | ` |
+ |---------+---+---+---+---+---+---+---+---+---+---+--------+--------+-----------+---|
+ | Tab | Q | W | E | R | T | Y | U | I | O | P | [ | ] | Backspace | * |
+ |---------+---+---+---+---+---+---+---+---+---+---+--------+--------+-----------+---|
+ | Control | A | S | D | F | G | H | J | K | L | ; | ' | Return | ****** | * |
+ |---------+---+---+---+---+---+---+---+---+---+---+--------+--------+-----------+---|
+ | LShift | Z | X | C | V | B | N | M | , | . | / | RShift | HHKB | ****** | * |
+ |---------+---+---+---+---+---+---+---+---+---+---+--------+--------+-----------+---|
+
+ |------+------+----------------------------+------+------|
+ | LAlt | LGUI | ******* Space/Prog ******* | RGUI | RAlt |
+ |------+------+----------------------------+------+------|
+ */
+
+ [BASE] = LAYOUT(
+ KC_GESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSLS, KC_GRV,
+ TAB_MOUSE, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSPC,
+ CTL_ESC, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, PROG_SCLN, KC_QUOT, KC_ENT,
+ KC_LSPO, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSPC, MO(HHKB),
+ KC_LALT, KC_LGUI, SPACE_PROG, KC_RGUI, KC_RALT),
+
+ /* HHKB Level: Function Layer
+ |---------+------+------+--------+---------+-------+-----------+---------+---------+---------+----------------+--------+------+--------+-----|
+ | Flash | F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | F9 | F10 | F11 | F12 | Ins | Del |
+ |---------+------+------+--------+---------+-------+-----------+---------+---------+---------+----------------+--------+------+--------+-----|
+ | Caps | Calc | Mail | Media | Browser | My PC | Browser | u | i | o | Print | [ | ] | Backsp | * |
+ | | | | Player | Refresh | | Favorites | | | | Screen | | | | |
+ |---------+------+------+--------+---------+-------+-----------+---------+---------+---------+----------------+--------+------+--------+-----|
+ | Control | Prev | Next | Find | f | g | Browser | Browser | Browser | Browser | ; | ' | Exec | ****** | * |
+ | | | | | | | Back | Home | Search | Forward | | | | | |
+ |---------+------+------+--------+---------+-------+-----------+---------+---------+---------+----------------+--------+------+--------+-----|
+ | LShift | Vol+ | Vol- | Mute | Select | b | n | m | , | Again | Browser Search | RShift | HHKB | ****** | * |
+ |---------+------+------+--------+---------+-------+-----------+---------+---------+---------+----------------+--------+------+--------+-----|
+
+ |------+------+----------------------+------+------|
+ | Menu | LGUI | ******* Play ******* | RGUI | Menu |
+ |------+------+----------------------+------+------|
+ */
+ [HHKB] = LAYOUT(
+ FLASH, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_INS, KC_DEL,
+ KC_CAPS, KC_CALC, KC_MAIL, KC_MSEL, KC_WREF, KC_MYCM, KC_WFAV, KC_TRNS, KC_TRNS, KC_TRNS, KC_PSCR, KC_TRNS, KC_TRNS, KC_BSPC,
+ KC_TRNS, KC_MPRV, KC_MNXT, KC_FIND, KC_TRNS, KC_TRNS, KC_WBAK, KC_WHOM, KC_WSCH, KC_WFWD, KC_TRNS, KC_TRNS, KC_EXEC,
+ KC_TRNS, KC_VOLU, KC_VOLD, KC_MUTE, KC_SLCT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_AGIN, KC_WSCH, KC_TRNS, KC_TRNS,
+ KC_MENU, KC_TRNS, KC_MPLY, KC_TRNS, KC_MENU),
+
+
+ /* Programming Level: Symbols Layer
+ |--------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+--------+--------+--------+--------+---|
+ | Esc | TTY 1 | TTY 2 | TTY 3 | TTY 4 | TTY 5 | TTY 6 | TTY 7 | TTY 8 | TTY 9 | TTY 10 | TTY 11 | TTY 12 | \ | ` |
+ |--------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+--------+--------+--------+--------+---|
+ | Tab/Mouse | => | @ | >>= | =<< | ‖ | <> | <｜> | <*> | <@> | ｜> | <$ | $> | Backsp | * |
+ |--------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+--------+--------+--------+--------+---|
+ | Toggle Mouse | -> | * | <$> | <#> | && | Left | Down | Up | Right | :: | ` | Return | ****** | * |
+ |--------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+--------+--------+--------+--------+---|
+ | LShift | z | x | c | v | b | n | m | <- | -> | <> | Shift | HHKB | ****** | * |
+ |--------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+--------+--------+--------+--------+---|
+
+ |------+------+----------------------------+------+------|
+ | LAlt | LGUI | ******* Space/Prog ******* | RGUI | RAlt |
+ |------+------+----------------------------+------+------|
+ */
+ [PROG] = LAYOUT(
+ KC_GESC, LCA(KC_F1), LCA(KC_F2), LCA(KC_F3), LCA(KC_F4), LCA(KC_F5), LCA(KC_F6), LCA(KC_F7), LCA(KC_F8), LCA(KC_F9), LCA(KC_F10), LCA(KC_F11), LCA(KC_F12), KC_TRNS, KC_TRNS,
+ KC_TRNS, FAT_ARROW, KC_AT, BIND, BIND_FLIPPED, OR, CONCAT, ALT, APPLY, FLAP, PIPE, VOID_LEFT, VOID_RIGHT, KC_TRNS,
+ TG(MOUSE), SKINNY_ARROW, KC_ASTR, MAP, MAP_FLIPPED, AND, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT, DOUBLE_COLON, KC_GRV, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, REVERSE_ARROW, SKINNY_ARROW, CONCAT, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
+
+
+ /* Mouse Level: Mouse Layer
+ |--------------+---------+---------+---------+---------+---------+-------+-------+---------+---------+---------+-----------+-----------------+--------+---|
+ | Esc | Speed 1 | Speed 2 | Speed 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | - | = | \ | ` |
+ |--------------+---------+---------+---------+---------+---------+-------+-------+---------+---------+---------+-----------+-----------------+--------+---|
+ | Mouse(Tab) | Q | Up | Button3 | Button4 | Button5 | Y | U | Button3 | Button4 | Button5 | [ | ] | Backsp | * |
+ |--------------+---------+---------+---------+---------+---------+-------+-------+---------+---------+---------+-----------+-----------------+--------+---|
+ | Control(Esc) | Left | Down | Right | Button1 | Button2 | SLeft | SDown | SUp | SRight | Button1 | Button2 | Control(Return) | ****** | * |
+ |--------------+---------+---------+---------+---------+---------+-------+-------+---------+---------+---------+-----------+-----------------+--------+---|
+ | LShift(() | Z | X | C | V | B | N | M | Button5 | Button4 | Button3 | RShift()) | HHKB | ****** | * |
+ |--------------+---------+---------+---------+---------+---------+-------+-------+---------+---------+---------+-----------+-----------------+--------+---|
+
+ |---------+---------+----------------------------+---------+---------|
+ | LAlt([) | LGUI({) | ******* Space/Prog ******* | RGUI(}) | RAlt(]) |
+ |---------+---------+----------------------------+---------+---------|
+ */
+ [MOUSE] = LAYOUT(
+ KC_TRNS, KC_ACL0, KC_ACL1, KC_ACL2, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_MS_U, KC_BTN3, KC_BTN4, KC_BTN5, KC_TRNS, KC_TRNS, KC_BTN3, KC_BTN4, KC_BTN5, KC_TRNS, KC_TRNS, KC_TRNS,
+ TG(MOUSE), KC_MS_L, KC_MS_D, KC_MS_R, KC_BTN1, KC_BTN2, KC_WH_L, KC_WH_D, KC_WH_U, KC_WH_R, KC_BTN1, KC_BTN2, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
+};
diff --git a/keyboards/hhkb/keymaps/brett/readme.md b/keyboards/hhkb/keymaps/brett/readme.md
new file mode 100644
index 0000000000..fd07b155fb
--- /dev/null
+++ b/keyboards/hhkb/keymaps/brett/readme.md
@@ -0,0 +1,13 @@
+# Generated Keymap Layout
+
+This layout was generated by the QMK API. You can find the JSON data used to
+generate this keymap in the file layers.json.
+
+To make use of this file you will need follow the following steps:
+
+* Download or Clone QMK Firmware:
+* Extract QMK Firmware to a location on your hard drive
+* Copy this folder into %s
+* You are now ready to compile or use your keymap with the source
+
+More information can be found in the QMK docs:
\ No newline at end of file
diff --git a/keyboards/hhkb/keymaps/brett/rules.mk b/keyboards/hhkb/keymaps/brett/rules.mk
new file mode 100644
index 0000000000..88f57515f1
--- /dev/null
+++ b/keyboards/hhkb/keymaps/brett/rules.mk
@@ -0,0 +1,4 @@
+MOUSEKEY_ENABLE = yes
+TAP_DANCE_ENABLE = no
+LEADER_ENABLE = no
+UNICODE_ENABLE = no
diff --git a/users/brett/brett.c b/users/brett/brett.c
new file mode 100644
index 0000000000..c19c8b4a8a
--- /dev/null
+++ b/users/brett/brett.c
@@ -0,0 +1,61 @@
+#include "brett.h"
+
+char * get_key(uint16_t keycode) {
+ switch (keycode) {
+ case FAT_ARROW:
+ return "=>";
+ case SKINNY_ARROW:
+ return "->";
+ case REVERSE_ARROW:
+ return "<-";
+ case CONCAT:
+ return "<>";
+ case MAP:
+ return "<$>";
+ case MAP_FLIPPED:
+ return "<#>";
+ case FLAP:
+ return "<@>";
+ case PIPE:
+ return "|>";
+ case ALT:
+ return "<|>";
+ case APPLY:
+ return "<*>";
+ case AND:
+ return "&&";
+ case OR:
+ return "||";
+ case BIND:
+ return ">>=";
+ case BIND_FLIPPED:
+ return "=<<";
+ case DOUBLE_COLON:
+ return "::";
+ case VOID_LEFT:
+ return "<$";
+ case VOID_RIGHT:
+ return "$>";
+ default:
+ return "";
+ }
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ bool pressed = record->event.pressed;
+ switch (keycode) {
+ case FAT_ARROW ... DOUBLE_COLON:
+ if (pressed) {
+ send_string(get_key(keycode));
+ }
+ return false;
+ case FLASH:
+ if (!pressed) {
+ SEND_STRING("make -j8 --output-sync " QMK_KEYBOARD ":" QMK_KEYMAP ":flash" SS_TAP(X_ENTER));
+ reset_keyboard();
+ }
+ return false;
+ default:
+ return true;
+ }
+}
diff --git a/users/brett/brett.h b/users/brett/brett.h
new file mode 100644
index 0000000000..a359c5157a
--- /dev/null
+++ b/users/brett/brett.h
@@ -0,0 +1,25 @@
+#pragma once
+
+enum userspace_custom_keycodes {
+ PLACEHOLDER = SAFE_RANGE, // Can always be here
+ FAT_ARROW, // =>
+ SKINNY_ARROW, // ->
+ REVERSE_ARROW, // <-
+ CONCAT, // <>
+ MAP, // <$>
+ MAP_FLIPPED, // <#>
+ FLAP, // <@>
+ PIPE, // |>
+ ALT, // <|>
+ APPLY, // <*>
+ AND, // &&
+ OR, // ||
+ BIND, // >>=
+ BIND_FLIPPED, // =<<
+ VOID_LEFT, // <$
+ VOID_RIGHT, // $>
+ DOUBLE_COLON, // ::
+ FLASH // Handle keyboard flashing
+};
+
+bool process_record_keymap(uint16_t keycode, keyrecord_t *record);
diff --git a/users/brett/rules.mk b/users/brett/rules.mk
new file mode 100644
index 0000000000..b186662ddb
--- /dev/null
+++ b/users/brett/rules.mk
@@ -0,0 +1 @@
+SRC += brett.c