"His tribal name is "Walking Eagle" - a birdbrain that's so full of s*** that he can't fly".
Would you object to a ornithological modification?
How about "Big Eared Buzzard" (look at the size of his ears & my well established tag line;)!!!!!!
... why do you ask, two dogs #######?
Works for me. I almost called him "Walking Vulture" (a scavenger etc.), but I didn't want to offend the local vultures.