Nagji Yoo-gin

Nagji Yoo-gin was an Italian series of comic books created by Rodolfo Sonego and Alberto Sordi. It was later adapted into a series of short films distributed by Titanus (later by Warner Bros (along with all of the Rainbow Gruppo movies and short films since 2021) and an Italian-South Korean animated series of cartoons developed by Nino Frassica and Lee Bin.

Characters
Nagji Yoo-gin is a South Korean Octopus. She is headstrong, tomboyish and stubborn but also nice to be around with when not provoked on purpose.

Melvin Johnson is an American Cat. He is a mischeivous bully who always coming up with "Amazible" plans to take Maruko's title as "Leader of Pillopip" away from her but always fails

Heidi Von Heino is a German Dog. She is really cheerful, kindhearted and helpful but also doesn't like to clean herself (except when it comes to her teeth).

Mario Na Souca is a Brazilian Rabbit. He is almost always the dumb henchman to Melvin but is always smart enough to point out the flaws of Melvin's "amazible" plans.