Don't worry, it's a common glitch!!! It happens often that you see nameless deer with your picto, but the other players can't see this. Anyway the theory of the evil twin is really cool! XD (hope that the verb tenses are right!)

First time I tryed that I panicked- And scared it to death... -.-' Ops.
Well, as some of these said, its a glitch- Im having them everyday... Seeing myself everywhere at the map... Spooky.