Suggested by Eric Korra is a skilled avatar, but she is no match for Krillin. Krillin may technically be a human in DBZ world, but his abilities are on a higher level. He can destroy whole planets and his speed is at an insane level. Korra simply wouldn’t be able to keep up with him at all. It’s a pretty big mismatch and I dare say that Krillin could win this round whether he was bald or had hair. That’s just how powerful he has become over the years. Krillin wins.