Dragon Ball Z, Shijou Saikyou no Deshi Kenichi Recommendations
both MCs Goku and Kenichi generally have a similar hairstyle
both fight with a sense of justice
both have co-stars that via funimation are voiced by chris sabat and kent williams
training before each battle and gradually getting stronger each time
there's a perverted master in both shows
Both series involve a MC who is trained in martial arts by several different masters. Both series increase the scope of the strength of the challengers throughout the anime as they achieve new techniques and skills. Both series have a memorable supporting cast that often pull their own weight in fights. If you like Dragon Ball Z for the characters and fights Kenichi The Ultimate Disciple is a excellent reccomendation.