Gleerk appeared in the comic strip – My Pet Alien! – written by James Nicholas.
A story from the Eagle that initially ran for six episodes (issues 436 to 441) and illustrated by John Gillatt, before returning for a one-off tale during Eagle’s monthly run (this time illustrated by Eric Bradbury) in issue 475.
A final story appeared in the Eagle Yearbook 1992 (also illustrated by Bradbury).