It's easy to write one ...
Register account via postingto
https://realmofthemadgod.appspo*****m/account/register ... you can reuse any old GUID for that matter ...
If it returns "<Success/>" ... you connect to the game ...
You send a HELLO packet followed by a CREATE (instead of the usual LOAD) packet ... you specify 782 as the objectType in the CREATE packet (782 is the Wizard object)
In the NEW_TICK handling code (or wherever you like) you place a check for whether objectStatsId 56 got a value of 0 for the mule ... as long as it is 0 you send a REGISTER_NAME packet every 10 or so gameTicks ... or just check REGISTER_NAME_RESULT for a more elegant solution ... ;-)
Optionally locate your "master" via the ingame name and teleport/move towards him/her to make life easier ...
Optionally purchase a <50 gold dye from the shop and apply it via INV_USE ...
Optionally send INV_DROP packets for inventorySlotId 0 and 1 to get rid of staff and spell ...
I have written exactly this in half an hour the other day ...