Catty is a mystery from the time Pony finds her in OX-11's control room. Not really a part of the crew, but is because of Mission 21. Her actions like the others aboard Star Leaf will affect the lives of billions to come.

Catty's voice actress is Naoko Watanabe. Ms. Watanabe has a a rare distinction amongst the Gall Force seiyuu, she has played the same character throughout the series; from Eternal Story to New Era 2. She is also the voice actress for Miyu in Vampire Princess Miyu and has sung as part of the Gall Force Eternal Band..