Jeff the Land Shark (also known as Jeffrey[1]) is a character appearing in American comic books published by Marvel Comics. Created by writer Kelly Thompson and artist Daniele di Nicuolo, the character first appeared in West Coast Avengers vol. 3 #6 (October 2018), but was not named and formally introduced until issue #7 (January 2019). Jeff was originally the pet landshark (legged shark) of the superhero Gwenpool but has since had other caretakers such as Deadpool, Elsa Bloodstone and Kate Bishop.