Gerrett

Gerrett, referred in advertisements as Gerrett Ferret, is a ferret living in Summerheart City Park, being a childish and jokey one. He is voiced by Charlie Adler.

The Zany Tails of Gerrett
Nothing much is known about Gerrett, except he was revealed that he was born something before his mother's mysterious disappearance, with him living with his father for the first three months. When he grew older everyone knew today, he rescues a aye-aye and due to his heroic deeds, his father decided that it is time for him to leave the ferret nest, eventually beginning Gerrett's adventures before Collin arrived.

Meeting Collin/The Face Paint World Life
W.I.P

Surley
Surley was Gerrett's female best friend during his own adventures. W.I.P.

Trivia

 * His full name is revealed in Jokes on You!.