How do you be Richter belmont in castlevania symphony of the night

In order to be Richter, you must beat the game at least once. It will be unlocked. All's you have to do is put in Richter as your name and you get to go through the game as Richter. Do be careful! He's not like Alucard. He can get killed easily but he can go everywhere because you have all of the relics. Just have fun and do watch where you are going.