Constellation:

Character:

Triplets and waiters who share duties as the Striaton City Gym Leaders. The player challenges the Gym Leader whose Pokemon is strong against the player's starter; Cilan has the Grass-Type Pansage, Chili has the Fire-Type Pansear, and Cress has the Water-Type Panpour. Cilan appears as a main character in the anime, joining Ash on his journey after Ash is awarded Striaton Gym's Trio Badge for defeating him and his brothers.

Source from Wikipeida