Baku Yamada is a supporting character in the anime series 'Onegai My Melody.' He is a tapir-like creature who serves as Kuromi's loyal sidekick and often helps her with her mischievous schemes to collect Black Notes. Despite his intimidating appearance, Baku is gentle, timid, and sometimes clumsy. He has a strong sense of loyalty to Kuromi but also displays a kind heart, occasionally feeling guilty about causing trouble. Baku adds humor and warmth to the story, making him a memorable character.