No picture = no proof, but I think I just saw Matt Lucas (he was in Bridesmaids and will be Abed's new friend in Community season 4). I think I caught a glance of him with a Plaid during the Soundsational Parade.
Googling who that is.....brb - KissDclown
1088.1 #77 4:42PM
Oh! He was tweedle dee/dum in the newer Alice. - KissDclown 1088.1 #77 4:44PM
Didn't know the name either, but do recognize the face!! How cool! - Willierose
1189.1 #68 4:45PM