Yellow Devil MK-II (イエローデビル Mk-Ⅱ Ierō Debiru Mk-II?, MK-II being also written as "Mark 2") is a powered up version of the Yellow Devil that appears as the boss of the second Wily Castle stage from Mega Man 3.
Yellow Devil MK-II (イエローデビル Mk-Ⅱ Ierō Debiru Mk-II?, MK-II being also written as "Mark 2") is a powered up version of the Yellow Devil that appears as the boss of the second Wily Castle stage from Mega Man 3.