Charmmy Kitty (チャーミーキティ Chāmī kiti^?) is Hello Kitty's pet cat. She resembles Hello Kitty but has more cat-like features. Her name comes from the word "Charm" as she wears the key to Hello Kitty's jewelery box around her neck. She debuted in 2004, alongside the Sugarbunnies.

Charmmy Kitty is a white female Persian cat that Papa gave to Hello Kitty as a gift. She wears a lace-trimmed bow on her left ear, and a necklace which holds the key to Hello Kitty’s jewelry box. Born on October 31, Charmmy Kitty is well-mannered, quiet, and listens to whatever Hello Kitty says. Like many cats, Charmmy Kitty loves objects that are bright and sparkly. Charmmy Kitty's charm point is her lace-trimmed pink bow, that was a present from Kitty