Barrette (ポニーテールちゃん, Poniiteru-chan/Ponytail-chan) is a Ham-Ham who appeared in Hamtaro: Ham-Ham Heartbreak. She has a crush on Seamore.
Barrette runs the photo studio in the Ham-Ham Clubhouse with her boyfriend Seamore. Never makes an appearance in Canadian TV series; makes an appearance in Hamtaro: Ham-Ham Heartbreak. In the TV series in Japan, when she first showed up she had gotten a crush on Hamtaro and did not get a crush on Seamore in the anime until possibly episode 186, The Knitting Girl and Seamore!