HK-47 from Star Wars: Knights of the Old Republic I/II. he's fucking brilliant, so many funny and memorable quotes.
http://www.youtube.com/watch?v=1CqpGfWrmc4
lololol so good!
post more funny characters!
HATE HERWendy Oldbag from Phoenix Wright series.
Cave Johnson is the funniest by a country mile.
Blasto - Mass Effect
Cicero never understood thieves, really. Take someone's things before you kill them? And they call me crazy...
Need to oil Mother soon. Get all the hard-to-reach places.
Daxter.
Captain Qwark and Dr. Nefarious also spring to mind.
Agent G. and Detective Washington: