I have to say, I loved the classic look and feel to the cartoon. Watch it here: Go on, take a look. Then come back and finish reading this post.
Specifically, I like the look of the backgrounds, the character design, and the little details like the cartoony sound effect pop ups and funny sight gags. I also love that it's an all animal world, something I've always thought was more interesting than just human characters.
Flavio will eventually be on the Nickelodeon channel, on the show "Random Cartoons", but of course keep your fingers crossed that it'll be picked for a series. Mike did an awesome job on this cartoon!