Est. whenever he sat down

Greg.

A crocodile of considerable girth and even more considerable calm. He has sat down, and he will not be getting up.

Greg the crocodile sitting contentedly

The Greg Facts

Posture
Seated. Always seated.
Hobbies
Sitting, contemplating, not standing up
Diet
Unknown. Possibly vibes.
Mood
Content with his choices
"I'm good right here."

— Greg, probably