Right after Dylan meets Trance in the alternate reality Dylan starts to walk and sees the back of someone who very much looks like Tyr. Dylan says "I don't think so" and he and Trance start to walk into another direction.
Dylan tells Andromeda he gave her a sister, the Pax Magilantic. That he merged their A.I.'s so they could spend time together offline. This is the ship and avatar that tried to kill him in the seasone 1 episode "the mathematics of tears".