Each special customer ability has multiple levels. The higher the level, the more powerful its effects:

1. Good Vibes: other customers' patience will recover more.
2. Fireproof: prevents food from burning for a longer time.
3. Snap Freeze: combo timer freezes for a longer time.
4. Cool Head: special customer's patience bar freezes for a longer time.
5. MVP: higher chance of getting 2 bonus points for team activities after beating event levels.
6. Speedrunner: higher chance of getting 2 bonus points for Chef League seasons after beating event levels.
7. Energetic: higher chance of not losing energy after failing a level.

Note: Check in-game for specific ability stats.