Chuckleberry Finn

Chuckleberry Finn: Someone, usually an animal that is cute beyond comprehension. This entity exudes confidence, swagger, and oozes chiggle juice.

Origin: dog named Charlie, gradually became chuck, and combined with Huckleberry Finn, becomes Chuckleberry Finn.

Oh my god! Look at that Chuckleberry Finn, I want to give it a hug.
or
Chuckleberry Finn is so adorable, but his butterscotch butthole beats like a drum when he barks.