Waltriot

Waltriot (ウォートリオット) is an enemy from Mega Man 10. They move on walls and ceilings and attack with homing missiles. They appear in Solar Man's stage, Wily Castle 1 and Special Stage 3. On Hard Mode they also appear in Blade Man's stage, Nitro Man's stage, Commando Man's stage and Wily Castle 3.

Etymology
Its name is possibly a combination of the words, "wall" and "Patriot missile".