A Thugglet slug is a rose red coloured Uncommon Psychic Slug with small horns, a mohawk, and mask patterns over the eyes. They have illusionary abilities that only affect living things as seen in The New Kid Part 1 and The New Kid Part 2. When they transform, horns grow, their body turns skinny and they grow large teeth.
- Protoform Abilities - Can disguise itself as a different slug.
- Gremling - Prankster - playfully pulls down pants, empties slug shells.
- Burgalore - Steals important gear from opponent during battle.
- Slugnap - Mighty punch that distracts foe while he steals a slug.
- Lusionist - Can disguise itself and its slugslinger.
- Spectackled - Can create illusions to trick opponents into seeing something that's not there.