Robert Downey Jr. as Tony Stark + Jeffrey Dean Morgan as the Comedian - Celebrity Doppelgangers
Floppy yet styled 'do? Check. Groomed facial hair? Check. Sexy brooding expressions? Double check. We spent the entirety of 'Watchmen' marveling at how much Robert Downey Jr. beefed up for his role -- but the joke was on us, because it was really Jeffrey Dean Morgan the whole time.