Mine are usually:
Doctor Weird. A clown scientist specializing in RnD and slip based technology. Not recommended you let this clown into chemistry.
Timmy the Toucher: What does "toucher" mean? Well there's only one way to find out. Is usually seen hanging out with a distressed looking stranger wearing rainbow cloths and a ball gag.
Fighting Clown: based on this
Nip Snip: Clown named shared between me and LunchboxKilla. Don't be shirtless near him.