Friday is a non-canonical story published in Hellboy: Weird Tales #6, written by Doug Petrie with art provided by Gene Colan.

Plot Synopsis

Elizabeth Sherman and Abe Sapien take care of a kidnapping case at an aquarium since Hellboy is unavailable. Following the successful rescue of the kidnapped child the two B.P.R.D. agents go get coffee together which is just what Liz needed since she was in a lonely mood.