Clemont's Heliolisk

Clemont's Heliolisk is one of Clemont's Pokémon who is living in the Lumiose City Gym.

Biography
Prior to Clemont's journey with Ash and Serena, Clemont raised Heliolisk as Helioptle and evolved it with a Sun Stone.

Clemont lent Heliolisk to Clembot while he was away. When Clemont returned and challenged Clembot for ownership of the gym, Clembot used it to battle. Helolisk lost to Bunnelby.