>>423439 It can be recognized as the same character because of how he moves in each game. Not many other characters staple move is spinning 6 times in a row, then using his sword as a helicopter, a pogo stick, sitting down to jack off (restoring health) and doing a harakiri.
Looney Tunes once experimented with this by the way. They made Daffy look radically different each time, at one point completely ERASING him, and he was still instantly recognizable from his mannerisms and his voice (later it turned out the "animator" for the episode was just Bugs dicking around). I think the cartoon won an award for that. So yeah, this point was already made 50+ years ago.