They first appeared in Millie the Model #135 (February 1966). In it, long running comic book model Millie Collins of the title trades the runways and catwalks to be a go-go discotheque dancer at The Pudding Bowl for this quartet.
Incomplete list of appearances:
- Millie the Model #135 (February 1966)
- Millie the Model' #137 (May 1966)
- Millie the Model' #141 (September 1966)
- Modeling with Millie #54 (June 1967)
Lineup: Limeys Marv and Koko, and American brothers Joe and Russ Brockman.