Shaco origins (hypotesis)

Maybe Shaco is the General Du Couteau? Since his motives are not known and that it is using blades as weapons and mask to hide his identitée. General Du Couteau disappeared one day, we do not know which, but Shaco also appeared one day, nobody knows where he comes and says I amais nothing, maybe its purpose is to check the progress his daughter and his adopted son? This is only a hypothesis, but the most logical to me. On this Funjust