A CODEBREAKER 123B

123b, also known as/dubbed/referred to 123b as The Codebreaker, is a legendary figure/character/entity. Rumors/Legends/Tales abound about this mysterious/enigmatic/obscure being/individual/person, whose abilities/skills/talents in cryptography are said to be unrivaled/matchless/legendary. Some believe/think/suspect that 123b is a government agent/h