Genndy Tartakovsky Blobby, Blobby Baby, Puppy Blobby Director, Voice, Screenwriter Adam Sandler Dracula Voice, Executive Producer Andy Samberg Jonathan Voice Selena Gomez Mavis Voice Kevin James Frankenstein Voice Fran Drescher Eunice Voice Steve Buscemi Wayne Voice Molly Shannon Wanda Voice David Spade Griffin Voice Keegan-Michael Key Murray Voice Jim Gaffigan Van Helsing Voice Kathryn Hahn Ericka Voice Asher Blinkoff Dennis Voice Chris Parnell Stan, Fish Man Voice Joe Jonas The Kraken Voice Chrissy Teigen Crystal Voice Mel Brooks Vlad Voice Aaron LaPlante Gremlins, Gremlin Pilot, Gremlin Stewardess Voice Michelle Murdocca Phone Voice, Kelsey, Witch 1, Witch 2 Voice, Producer Joyce Arrastia Zingr Witch, Witch 3 Voice, Film Editing Sadie Sandler Winnie Voice Sunny Sandler Sunny Voice Tara Strong Frankenlady Voice Libby Thomas Dickey Lucy Voice Patrick Harpin Austrian Boy Voice Craig Kellman Mr. Hydraberg Voice Joe Whyte Tinkles, Bob Voice Jaime Camil Chupacabra Voice Michael McCullers Screenwriter Mark Mothersbaugh Original Music Scott Wills Production Design Christian Schellewald Art Director