Japanese episodes, Sparkle began to fall in love with Hamtaro, and has since then been trying to get him to notice her. For this and many other reasons, she sees Bijou and Oshare as rivals. Voiced by: Fujiko Takimoto (Japanese), Jillian Michaels (English) A hamster who is the best hide and seeker like his best friend, Cappy. Stucky is "stuck" in a plastic pipe, so he can only move by running or rolling. His pipe resembles a warp pipe from the Mario series both in shape and color. Created by Laura's Grandpa, Robo-Joe is a robot hamster whose appearance seems to be based on Hamtaro. Robo-Joe's main function is the ability to learn and mimic what he hears; both human language and Ham-Ham language. In a later Japanese episode, Laura's Grandfather places a slightly modified Robo-Joe in a Battlebots-like tournament. Voiced by: Chie Kōjiro (Japanese), Seren Pendleton-Knoll (English) A Ninja hamster who comes from IgaIga valley. Being the worst ninja in his home, he left so he could be appreciated by non-ninja Hams. Voiced by: Hanako Yamada (Japanese), Caroline Chan (English) Childhood friend of Howdy. A southern belle who develops a short-lived crush on Dexter. She is one of the very few who can stand Howdy's jokes. Voiced by: Toshihiko Seki (Japanese), Paul Dobson (English) A chef hamster with a colorful Italian accent and many children. Voiced by: Haruhi Terada (Japanese) A nurse hamster who is willing to cure any hamster she sees, and is very concerned about the health of her patients, even animals other than hamsters. Stan has a crush on her. Voiced by: Yūko Kaida (Japanese) Hamster in an angel costume who fights with Spat and tries to save love for all hamsters. She was a major character in Hamtaro: Ham-Ham Heartbreak. Voiced by: Keiko Yamamoto (Japanese) Hamster in a devil costume who fights with Harmony and tries to ruin love for all hamsters. He made an appearance in Hamtaro: Ham-Ham Heartbreak (video game) as the main villain. In the Japanese version, Spat appears from time to time with different evil plots. Just as in Ham-Ham Heartbreak, the Ham-Hams always thwart his plans. Voiced by: Chiemi Chiba (Japanese) Runs the photo studio in the Ham-Ham Clubhouse with her boyfriend Seamore. She makes an appearance in Hamtaro: Ham-Ham Heartbreak. In the TV series it is rumored that she has a crush on Hamtaro. Voiced by: Rie Kugimiya (Japanese)