The Farewell Beloved Falco manga introduces a new member of FREE AS A BIRD, a blue feline character named Kool. The climax seems to imply that Kool and Katt Monroe have romantic feelings for one another, with Falco Lombardi looking on in approval.

Kool wouldn't appear again after this, and Katt would go back to following Falco in certain story routes in Star Fox Command. When asked about Kool's whereabouts by Nintendo Dream staff in 2011, Takaya Imamura responded with: