Over the Hedge by T Lewis and Michael Fry for September 30, 2012
Transcript:
who's sillier? Silly putty versus hammy!! verne: I can stretch, bounce and lift off comics from the paper! hammy: wow. that's so silly! but can you do this?...... he's not wearing pants! silly putty: no. alas, I cannot do that...you, sir, are the silliest. RJ: the once and future silly champion is hamilton n. squirrel! the "n" is for nifty! hammy: Or "nutter buns"!
Hammy’s face on the 1st panel looks pretty similar with the “challenge accepted” meme.