Troy McClure was voiced by Phil Hartman until the actor's untimely death in 1998 and the character has been retired since then.  McClure is a washed up star from the 1970s that is the star of many infomercials, educational films and movies.  At one point, McClure married Selma in order to attempt to revive his career after rumors of a paraphilia.

Troy McClure Quotes

Troy McClure: I'm actor Troy McClure. You may remember me
from such TV series as: Buck Henderson: Union Buster and Troy & Company's Summertime Smile Factory.

(Troy McClure hosts an infomercial for a new type of candy that cleans and straightens teeth.)
Troy McClure: Ladies and gentlemen, I'd like you to meet the inventor, Dr. Nick Riviera.
(Audience applauds)
Dr Nick: Thank you, Troy! Hi, everybody!
Audience: Hi, Dr. Nick!

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!

Bones heal, chicks dig scars, and the United States of America has the best doctor-to-daredevil ratio in the world.

Lance Murdoch