Paul is one of Ash Ketchum's main rivals he faced during his adventures in the Sinnoh region. His harsh feelings towards Pokemon clashes with Ash's love and kindness. He later became his ally after his defeat in the Sinnoh League.
Paul will have the mask of Masquerade (from Bakugan Battle Brawlers), whereas Masquerade will be Paul's Yami form.
Paul will be Bulla (from Dragon Ball GT)'s boyfriend, to Vegeta's approval.