Jeff Dunham
others I like:
Bo Burnham
Bill Engvall
Dave Chappelle
Kat Williams
George Lopez
Daniel Tosh
Colbert and Jon Stewert
Lewis Black
Jerry Seinfeld
Drew Carey
Will Ferrell
Lisa Lampanelli
Bernie Mac
Matthew Perry
Joe Rogan
Trey Parker and Matt Stone
etc. etc.
I love comedy x3 The worst comedian is like Carlos Mencia -.-