Mega Man Star Force
Manga · 2006 · Completed
Mega Man Star Force, known as Ryūsei no Rockman in Japan, is an anime and manga series based on the video game of the same name. The series follows the adventures of Geo Stelar and Omega-Xis, a duo capable of em wave change to become the hero "Mega Man". Together, they combat various EM wave beings that threaten to conquer or destroy the Earth.
Description from Wikipedia, available under CC BY-SA 4.0. May be shortened.