www.marvwolfman.com: "Although writer/story-editor/Producer David Slack told me it was coming up awhile back, by the time yesterday's Teen Titans episode, "Go!" came out I completely forgot that George Pérez and I made a little cameo in it. During one of the early battles btween Robin and Starfire they pan up to a rooftop and two of the people there are George and me. George is the huge bearded guy in the Hawaiian shirt (George in real life is NOT that Samoan looking) and I'm the skinny guy next to him. (In real life I am anything but anorexic)."
Read the full blurb at Marv's site