Meh, if you "used to go on there alot" then you'd know people constantly ban/kick regulars for shits n giggles. You were unbanned right away and nothing was meant by it.
He was trying to make a joke over the new avatar and not knowing who you are.
ehhhh. I used to go there a lot and I know the chat is very unwelcoming for anyone new. It's not something to recommend if anyone is expecting a nice warm welcome and a fun chat.