Moe owns the local tavern, "Moe's Tavern" in The Simpsons.  Moe is definitely one of Homer's friends in addition to his supplier of his drug of choice, Duff Beer.  Moe is definitely even uglier than he looks and is voiced by Hank Azaria.

Moe Szyslak Quotes

Moe: Moe's Tavern.
Bart: Is Oliver there?
Moe: Who?
Bart: Oliver Klozoff.
Moe: Hold on. I'll check. Oliver Klozoff! Call for Oliver Klozoff!

Moe: Yeah. Moe's Tavern. Moe speaking.
Bart: Is Jacques there?
Moe: Who?
Bart: Jacques. Last name Strap.
Moe: Uh, hold on. (Calling out) Uh, Jacques Strap! Hey, guys, I'm lookin' for a Jacques Strap!
(The entire bar laughs at Moe.)
Moe: What? Aw, wait a minute, Jacques Strap? It's you isn't it, you cowardly little runt! When I get a hold of you, I am gonna gut you like a fish and drink your blood.

The Simpsons Quotes

Homer: (Wearing glasses) The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side!
Man: (From inside a bathroom stall.) That's a right triangle, you idiot!
Homer: D'oh!

Mr. Burns: Oh, and one more thing: you must find the jade monkey before the next full moon.
Smithers Actually sir, we found the jade monkey. It was in your glove compartment.
Mr. Burns: And the road maps, and ice scraper?
Smithers: They were in there too, sir.
Mr. Burns: Excellent! It's all falling into place...