Ken

Ken is a Nibblonian leader who helped Leela save Earth from the Brain Spawn and helped Fry finally defeat them. He hates being called cute despite enjoying being stroked and plays with a toy mouse on a spring. Along with Nibbler he does most of the explaining to Fry and Leela.

Quotes
Ken: Purr... Stop that!
 * Fry: Aww aren't you a fuzzy little guy.
 * Ken: When the universe was forged in the crucible of the Big Bang, our mighty race was already 17 years old.