Yes, Frank is the same size as the pageant contestants. You've gotta love that.
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Frank lays one on Alanna Ubach in this scene from the It's Always Sunny in Philadelphia season 7 premiere.
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Mac, Frank and Dee all get lost in the woods in the upcoming episode of It's Always Sunny, "The Gang Gets Stranded in the Woods."
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A picture of Danny DeVito in his hilarious role as the father figure, Frank Reynolds on It's Always Sunny in Philadelphia.
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It's Always Sunny Quotes

Frank: I opened up to a therapist just once. I was a kid. I got into a fight. The doctor asked me question after question, got me so scrambled up. Next thing I know, I was shanghai'd upstate to a nitwit school. You know what a nitwit school is?
Therapist: I assume you mean a school for the mentally disabled.
Frank (spits pistachio shell): Yeah, not just for nuts in the head, but bodies, too. Back then science was real crude, they stuck us all together. My roommate was a frog-kid. You ever see a frog-kid?

No I don't eat dragon, cause, uh, it's not a meal for peasants, it's a meal for kings, and I'm sort of a common man. But they don't eat us, it's a common misconception. They actually eat gold and treasure -- that's why they're always sitting on a pile of it.

Charlie