Gulpin was caught by Trainer Arthur during the Pokémon Catching Competition. It seems to have a crush on Liam's Swalot which revealed that his Gulpin is female.
(No notable history available)
Evolution (Swalot) Edit
Not much is known, but shown in The Season 1: Opening!, Zane's Gulpin will evolve into Swalot in a future episode. It also shows it using Sludge Bomb in the opening.