Zach Galifianakis

From Wikipedia:

Zachary Knight " Zach"  Galifianakis[1]  ( /ˌɡælɨfəˈnækɨs/    gal  -i-fə-  nak  -iss ; born October 1, 1969) [2] <span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;"> is an American stand-up comedian and actor of  Greek ancestry<span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;"> known for his film and television appearances including his own  Comedy Central Presents<span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;"> special. He has garnered attention for his role as Alan Garner in  The Hangover trilogy<span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;">, directed by  Todd Phillips<span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;"> and in the road trip comedy  Due Date<span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.399999618530273px;">.

Galifianakis voiced Lucas Bortner in the 17th episode of Season 25 "Luca$".