Copy and paste this line in XPlayers.int in UT2004/System folder:

JuggernAlzAA="Name:  JuggernAlz|Age:   100(?)|Race:  Cyborg||Data:|JuggernAlz was found in a discharge. His memory was mulfunctioning but soon was reset. In a couple of days JuggernAlz was driven in a minor Deathmatch tournament winning it! His new owner has recently decide to inscribe him in the well-known Unreal Tournament...||"