diff --git a/avr/bootloaders/HoodLoader2/Board/Board.h b/avr/bootloaders/HoodLoader2/Board/Board.h
index 8c4a8c5..fe23a66 100644
--- a/avr/bootloaders/HoodLoader2/Board/Board.h
+++ b/avr/bootloaders/HoodLoader2/Board/Board.h
@@ -57,6 +57,7 @@ extern "C" {
 			#define ARDUINO_MICRO_PID   		0x0037 // Bootloader, not program!
 			#define ARDUINO_DUE_PID             0x003D
 			
+			#ifndef USB_DESCRIPTOR_STRING // If the Makefile did not supply a product string...
 			// USB product string settings
 			#if (PRODUCTID == ARDUINO_UNO_PID)
 			#define USB_DESCRIPTOR_STRING L"HoodLoader2 Uno"
@@ -73,6 +74,7 @@ extern "C" {
 			#else
 			#define USB_DESCRIPTOR_STRING L"HoodLoader2 Lufa"
 			#endif
+			#endif
 			
 			// Arduino Due 16u2
 			#if (PRODUCTID == ARDUINO_DUE_PID)
diff --git a/avr/bootloaders/HoodLoader2/build.sh b/avr/bootloaders/HoodLoader2/build.sh
new file mode 100644
index 0000000..ff67a5f
--- /dev/null
+++ b/avr/bootloaders/HoodLoader2/build.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+cat vidpid.txt | while read mcu vid pid name; do
+    make clean
+    make VID=$vid PID=$pid MCU=$mcu NAME="$name" "$@" all
+    # Please tell me where to find thebuild products...
+    #mv build-product.ihex hoodloader_$mcu_$vid_$pid.ihex
+done
diff --git a/avr/bootloaders/HoodLoader2/makefile b/avr/bootloaders/HoodLoader2/makefile
index 4529dfb..904db64 100644
--- a/avr/bootloaders/HoodLoader2/makefile
+++ b/avr/bootloaders/HoodLoader2/makefile
@@ -11,7 +11,9 @@
 
 # Run "make help" for target help.
 
+ifeq ($(MCU),)
 MCU          = atmega16u2
+endif
 ARCH         = AVR8
 BOARD        = USER
 F_CPU        = 16000000
@@ -23,6 +25,15 @@ LUFA_PATH    = ../lufa-LUFA-140928/LUFA
 CC_FLAGS     = -DUSE_LUFA_CONFIG_HEADER -IConfig/ $(HOODLOADER2_OPTS) -DBOOT_START_ADDR=$(BOOT_START_OFFSET) $(REGS) -flto -fuse-linker-plugin
 LD_FLAGS     = -Wl,--section-start=.text=$(BOOT_START_OFFSET) $(BOOT_API_LD_FLAGS),--section-start=.data=$(RAM_OFFSET) $(REGS) -flto -fuse-linker-plugin
 
+ifneq ($(MCU),atmega8u2)
+ifneq ($(MCU),atmega16u2)
+ifneq ($(MCU),atmega16u4)
+ifneq ($(MCU),atmega32u4)
+$(error MCU must be one of atmega8u2, atmega16u2, atmega16u4 or atmega32u4)
+endif
+endif
+endif
+endif
 
 # Flash size and bootloader section sizes of the target, in KB. These must
 # match the target's total FLASH size and the bootloader size set in the
@@ -41,8 +52,20 @@ BOOT_SECTION_SIZE_KB  = 4
 #define ARDUINO_MICRO_PID   		0x0037 // Bootloader, not program!
 #define ARDUINO_DUE_PID             0x003D
 
-HOODLOADER2_OPTS  = -DVENDORID=ARDUINO_VID
-HOODLOADER2_OPTS += -DPRODUCTID=ARDUINO_UNO_PID
+ifeq ($(VID),)
+VID := ARDUINO_VID
+endif
+
+ifeq ($(PID),)
+PID := ARDUINO_UNO_PID
+endif
+
+HOODLOADER2_OPTS  = -DVENDORID=$(VID)
+HOODLOADER2_OPTS += -DPRODUCTID=$(PID)
+
+ifneq ($(NAME),)
+HOODLOADER2_OPTS += "-DUSB_DESCRIPTOR_STRING=\"$(NAME)\""
+endif
 
 # 1200 is the baud to load the Bootloader from an Arduino sketch,
 # 57600 turns out to be the actual baud rate for uploading for default arduino bootloaders (and arduino nano by default!)
diff --git a/avr/bootloaders/HoodLoader2/vidpid.txt b/avr/bootloaders/HoodLoader2/vidpid.txt
new file mode 100644
index 0000000..5de3a1c
--- /dev/null
+++ b/avr/bootloaders/HoodLoader2/vidpid.txt
@@ -0,0 +1,6 @@
+atmega16u2 0x2341 0x0043 HoodLoader2 Uno
+atmega16u2 0x2341 0x0042 HoodLoader2 Mega
+atmega16u2 0x2341 0x0044 HoodLoader2 ADK
+atmega32u4 0x2341 0x0036 HoodLoader2 Leo
+atmeag32u4 0x2341 0x0037 HoodLoader2 Micro
+atmega32u4 0x2341 0x003c HoodLoader2 Esplora