
Appa is not a
yeti. He is a sky bison.
But if you didn't know better, you might think he's
yeti:

Here he is, climbing up a mountain:

No wait, he's flying over some teepees. Nevermind.

Here is an artist's conception of him as a Pug:
Appa Designs for Avatar by `
imaginism on
deviantARTBut this is "
Not Pug Friday".
Appa = NOT PUG!