Heidi Shadows

Heidi Shadows is a secret ninja in The Sims: Bustin' Out (Gameboy Advance) that sells different kinds of berries that can add up your skill points. She also sells a slip of paper that says "bucket" and flowers when bought will give you §5000. She can be found southwest of Imperial Estates on Mondays (11 PM to Midnight) and the northern corner of the park maze on Fridays at 3 PM to 4 PM.