I felt inclined to say "The Undertaker"...but I know you wouldn't post something that blatantly obvious.

I feel compelled to say its the fake Undertaker, portrayed by Brian Lee, a.k.a. Chainz from the Disciples of Apocalypse.

"Growing up my dad was like 'You have a great last name, Galifianakis. Galifianakis...begins with a gal...and ends with a kiss...' I'm like that's great dad, can we get it changed to 'Galifianafuck' please?" -- Zach Galifianakis