TDAWG i am pretty sure everyone can figure it out. T=Tony and DAWG=Dog.
I got the name from my brother when I was a kid. He told me that everytime he saw me get into a fight I was like a pitbull locking his jaw on something and not letting go. So the name stuck ever since. 36 yrs later and I'm still the same. Once I get a hold of something I don't let it go.