Mario, clearly! All up on mushrooms, constantly swiping money wherever he finds it, bitching about how his damn woman is always in another castle...
/EDIT:
Evil Jak said:
A SIMS character.
Me: Hey, I am going to the shop you want anything?
SIM: Heble glabdy glee.
Me: Erm, what?
SIM: Rolle, Heble glabdy glee!
Me: Oh... okay.
*months later*
SIM: Fluppey.
Me: Yeah, I did some research... thats not even a real language!
SIM: Cably shooo.
Me: Get out.
Actually, changed my mind, you're so right. A sim would be the WORST. They'd only have to stand around watching the toilet flood or the kitchen burn two or three times before it'd wear thin.