Felicity

 is a that  rode throughout the battle of Spheron 1, in 3001. When being ridden, the horse was standing on a hovering platform, which at the beginning of the battle accidentally fired at while charging his , causing the horse to neigh.

Trivia

 * Later in the episode, rides a donkey standing on a hovering platform.
 * In, Matt Groening says that his laughed at the Felicity joke.