A devilish little thing, Marco is a very big packrat. Gathering things from everywhere, Marco sometimes provokes Blackadder's primal urges to steal and shiny things as well. His other main interest, besides..well, THINGS, is female Pokemon. Just about every time Nessarose finds a new egg in the Shelter or picks one up from the lab, Marco stares at it for quite a while, willing it to be female. If Marco tries nearing any female Pokemon from OTHER parties, however, they usually either laugh, scoff at him, run away, or in a last-case scenario, the trainder him/herself foces Marco away.