Eli found Chiller in the episode "The Slugout". As a wild-caught Slug, Chiller is a rookie, as well as one of Eli's more timid Slugs.
Ever since "The Journey Home", he has had a cold that causes him to sneeze a wall of ice.
- Protoform Abilities - Small blast of ice, ice pack, refrigeration for food packs.
- Glaciator - Blows freezing wind, can create a block of ice.
- Frostwall - Blows freezing wind, instantly creates a wall of ice.
- Deepfreeze - Ice storm instantly freezes an opponent or a large object inside a block of ice.
- Winterhorn - Shoots a hail of jagged icicle projectiles.
- Icefloor - Forms a sheet of ice under opponent, making them slip.
- Frostsledge - Creates a path of ice that the slugslinger can slide or be pulled along at high speed.