Jeff-fa-fa
A name Jeff Dunham calls himself using the puppet Peanut, come across when Peanut is arguing that Jeff has an extra "F" in his name during "Jeff Dunham's Super Special Christmas Special".
Jeff Dunham: What?
Peanut: Jeff-fa-fa.
Jeff Dunham: Fa-fa?
Peanut: You're using an unneeded "F"!
Peanut: Jeff-fa-fa.
Jeff Dunham: Fa-fa?
Peanut: You're using an unneeded "F"!