Jack (ジャック)
Jack is a labrador retriever and is Legoshi's childhood friend. He attends Cherryton High School and is one of Legoshi's roommates. (Source: TV Tropes)
Voice Actors
Benjamin Diskin
English
Junya Enoki
Japanese
Benjamin Bollen
French
Davide Capone
Italian
Ítalo Luiz
Portuguese (BR)
Sebastian Kluckert
German
Alan Bravo
Spanish