Mike is a stray cat who appears in the anime Sketchbook ~full color's~. Her name is derived from the Japanese term for a calico cat. She tends to appear randomly throughout the town, her movements dictated by her moods rather than any fixed schedule.

Mike is known for her mean glare and rough demeanor, which gives her an intimidating first impression. However, this harsh exterior is contradicted by her surprisingly weak and cute cry, revealing a softer side beneath her prickly attitude. She is more skeptical of the main character Sora Kajiwara than Sora's brother, Ao, because Sora has a habit of offering food past its expiration date. Mike favors the Kajiwara household as a source of food, often visiting to mooch off meals.

Her primary motivation appears to be seeking food and following her own whims. She has a close relationship with another stray cat named Haa-san, who shares her habit of visiting the Kajiwara home for handouts. Mike's role in the story is that of a supporting animal character, providing small, recurring interactions that highlight her distinctive personality and the gentle, everyday atmosphere of the series. She does not undergo significant character development, but her contrast between a fierce appearance and a delicate vocalization serves as a memorable trait. Aside from typical feline abilities such as roaming and hunting, she has no extraordinary powers.