This image was illustrated by Hideki as a re-imagined Mega Man universe, which was first published in CAP! #7 and later in other sources. Although not related to the game series, it became popular and its original characters appeared in different media:
W. Waltz: The only original character named by Hideki, the robot girl saying "According to Dr. Wily's order, you will be disintegrated.". She appeared briefly in the last issue of the Mega Man comic from Dreamwave Productions as Dr. Wily's assistant.