Anyone who has a copy of Dr. Seuss' "Hop on Pop" can see what I'm biting...
HIM JIM Jim is after him.
I'd say, Fongo, that your avatar means that you are fierce when defending the weak against aggressors. Also, your name obviously is Jim.
Jenny100 -- There's clearly magic inside that mailbox. Is there magic inside of you?
Johnboy -- after giving the matter much thought, I have decided that your avatar shows that you are territorial and have your wits about you in all circumstances. You are the triumphant dragon who has just defended his champagne glass from a threat posed by the recumbent, wounded (drunk?) dragon.