I believe the only option on appealing a DQ is in the offending player's identity. That is to say, if they called it on the wrong player and can prove it, then the player originally called for the penalty does not have to serve it, but the player identified as the offending player in the appeal does i.e. somebody gets the DQ no matter what.
I did not see the penalty on the telecast, they didn't replay it, so I assume it was not caught on tape, making an appeal unlikely if not impossible. Also, Tim and Greg said they both saw it, said that it was a spear, and said it was done with intent to injure, and they both very much agreed with the call.
These types of penalties are NOT Sioux hockey. They should NEVER be done by any of our players (even for a retaliation in kind). I hope Hak throws the book at him. This is certainly not what you expect from one of our seniors. I know emotions can run high, and that things happen in the heat of the moment, but there are just certain lines you never cross, and this is one of them.