Claim: Nikola Maslovara creates a series of heroes and works on unlicensed comics he also wrote scripts for Desimir Žižović Buin (Mirko and Slavko (first published in 1958), an episode, 1984)
Evidence: He also works on licensed comics like Il Grande Blek, Pink Panther, Muppet Babies, Felix the Cat, Tom and Jerry, Mickey Mouse etc.