This isn't in relation to any manga or anime but I was trying to design a protagonist with random ideas in my head. Supposed to be a battle robot. : r/AnimeSketch
Mutants & Masterminds Artist Character, prosthetic arms and legs, png | PNGEgg
Mercury Black I love his robotic legs :D | Rwby, Rwby mercury, Rwby fanart
robotic leg by Pajamaman101 on DeviantArt
Petra's cyborg legs concept by LividCreativity on DeviantArt | Cyborgs art, Cyborg character design, Character art
Robotic - Cyber - Zerochan Anime Image Board
Gunslinger Stratos - Zerochan Anime Image Board
Bionic Leg | Robot design sketch, Robotic leg concept art, Robot sketch
Robot Leg png images | PNGWing
Prosthetic legs [Original] - Sauce: http://bit.ly/2W3r17E - Don't forget to follow us nyaa :3 | Character design, Character inspiration, Anime character design