Captain Ken Series by Osamu Tezuka

From the creator of Astro Boy and Blackjack comes an epic sci-fi western on Mars starring Captain Ken and his trusty steed, Arrow. Captain Ken is an enigma. Not a single person alive knows who he is, why he's on Mars, or why he looks just like Miss Kenn Minakami. His presence sparks a revolution - while the Martians seek to reclaim the lands stolen from them, human townsfolk aim to rid themselves of the corrupt Mayor Deven... moreFrom the creator of Astro Boy and Blackjack comes an epic sci-fi western on Mars starring Captain Ken and his trusty steed, Arrow. Captain Ken is an enigma. Not a single person alive knows who he is, why he's on Mars, or why he looks just like Miss Kenn Minakami. His presence sparks a revolution - while the Martians seek to reclaim the lands stolen from them, human townsfolk aim to rid themselves of the corrupt Mayor Deven. Amidst the whirlwind gunfights and horseback chases, Captain Ken must go on his greatest adventure yet to save a woman of great importance in the middle of a Martian Revolution. less

Now on the brink of war, Mars has slipped into chaos! The Martians are attempting to eradicate the human settlers as a means of payback for all the suffering they've endured. Sadly, Mayor Deven and his goons are not the only adversaries out valiant hero must defeat. This time around, Captain Ken and his trusty steed, Arrow, must outsmart a gang of looters and apprehend the criminal mastermind Napoleon, all while the hostile Martians are nipping at their heels!