Kyra

Kyra is the vocalist of BINKY. Despite being revealed to be a hologram, she has been used as a background character on occasion. Her name was only revealed in the novelization of the episode.

Arthur

 * Meet Binky
 * Whip, Mix, Blend

Specials

 * Arthur - It's Only Rock 'n' Roll (cameo)

Books

 * Arthur Rocks with BINKY