The character Klaus was created by writer Robert Kirkman and artist Tony Moore for the comic series 'The Walking Dead'.
Klaus first appeared in 'The Walking Dead' comic series issue #12, marking his debut in the franchise.
Klaus was adapted into the television series 'The Walking Dead', portrayed by actor Joseph Gatt, expanding his reach to a wider audience.
The character Klaus appeared as a non-playable character in 'The Walking Dead' video game by Telltale Games, further diversifying the character's media presence.