Best non-Simpson family character on The Simpsons.

[Bishop89]

 

[Goodacre0081]

basically a tie between Mr. Burns and Moe

 

[Kapryov]

Hank Scorpio
Mr. Burns
Sideshow Bob

Lionel Hutz is also great, I quote him every day.

 

[Sordid Plebeian]

Oh Mr. Burns no doubt

 

[27 Burritos]

I'm going with Burns.

 

[Herne]

Any character voiced by Phil Hartman. God that man was funny.

 

[Qasiel]

Poochie