Dokin-chan is a germ-like secondary antagonist and partner to Baikinman. Her orange-red body features a white facial area with green eyes, a red nose, and small blush marks. She sports white gloves, pink shoes, a single head antenna, and a long germ-like tail.

Her personality blends selfishness, greed, and childish demands, often bossing Baikinman to satisfy her cravings for food, objects, or captives. Yet she reveals unexpected kindness through an intense romantic fixation on Shokupanman. This obsession fuels extreme actions: plastering her room with Shokupanman posters and plush toys, daydreaming about him constantly, and sabotaging Baikinman’s plans if they threaten Shokupanman’s safety.

Key relationships define her dynamics. With Baikinman, she maintains a rude, demanding partnership underpinned by latent care. Her rivalry with younger sister Kokin-chan centers on competing affections for Shokupanman, sparking conflicts mixed with fleeting teamwork. Toward Anpanman, she displays neutrality, viewing him merely as an obstacle in Baikinman’s schemes.

Her equipment includes a pink UFO for transport, hostage containment, or carrying items like flowers. She once wielded a double-pointed staff that enlarged or shrank objects on contact, though it saw sparse use in later episodes and was discarded.

Dokin-chan appears in Anpanman films and specials such as *Happy no Daibōken* and *Kokin-chan to Aoi Namida*, participating in Baikinman’s plots without expanding her established traits or backstory.