Justin Roiland Loves John Kricfalusi Even Though He Would Hate Rick & Morty (2014)

John Kricfalusi (/ˌkrɪsfəˈluːsi/; born September 9, 1955), better known as John K., is a Canadian animator, voice actor, producer, writer, and director best known for creating the Nickelodeon 90's cartoon series The Ren & Stimpy Show and founding the animation company Spümcø.
https://en.wikipedia.org/wiki/John_Kricfalusi

Justin Roiland (born February 21, 1980)[1] is an American voice actor, animator, writer, producer, and director. He is best known as the co-creator and executive producer of the Adult Swim animated series Rick and Morty, in which he voices both of the show's eponymous characters.
https://en.wikipedia.org/wiki/Justin_Roiland