Eh, OK. [has two joke entries and unlikely-to-make-the-bracket VG rivalries]
Gold/Silver (Pokemon)
Travis Touchdown/Henry Cooldown (No More Heroes)
Edward/Jacob (Twilight)
Nathan Drake/Katherine Marlow (Uncharted 3)
GLaDOS/Wheatley (Portal)
Brain/Mario Party (Real Life)
--
WTH Duke; just, WTH