Yellow gerome

Yellow gerome, known in Japan as yellow grom, is an enemy found in Arko and Drazzig Grotto in the Abyssal Realm, and Garam Masala 1-5 in Magical Vacation.

Profile
Yellow geromes are identical in appearance to mammyths, but are a yellow creature riding a beige winged mammoth.

Enemy
Yellow gerome's spirit is Zappy, but they do not possess any spells. Their physical attack cut targets one party member in the front with a chance to inflict poison.

English fan translation
A little creature riding on a mammoth with wings. It's still immature.

Japanese
なぜか羽マンモスに乗って移動する雷小僧. 雷も落とせない半人前.

For some reason, this thunder kiddo rides a feathered mammoth. It's a pipsqueak who can't even conjure a bolt.

Trivia

 * Their Japanese name comes from гром grom, meaning 'thunder' in Russian.