Doonesbury by Garry Trudeau for August 12, 1975
Transcript:
B.D.: Say... uh... Lenny - what do you weigh in at? Lenny: Oh... 310, 315... it varies... Zonker: But still growing, right, "Lava-Lava"? Man: You bet - take a look at my chest. Zonker: Wow! Ain't that somethin'? Voice: Jeepers! His whole torso is twitching! Zonker: Hey! Lookit there! Something's formign! Voice: It's... it's a baby muscle!!