The challenges here, for me, were definitely the likenesses. I went through many many revisions before settling on drawings that I felt looked enough like Bradley Cooper, Zach Galifanakis, and Ed Helms. Also, I got to draw a tiger.
I still have some revisions to do for this piece, but here are some process drawings and the final result:
And here is the final (unrevised) version. I am still working on the value structure and adding more details to hint at the movie's location of Las Vegas.