Tadija

Biography
Tadija aka Tai is an character in Dragon Ball : NS series.He is from an parallel universe which is in pair with Goku's universe. His family is unknown as he doesn't talk about it.He looks very similar to Goten.He has 13 years at the start of Dragon Ball : NS. His teacher was Goku, as he knows most of his techniques

Personality
Tadija is outgoing just like Goten but he is serious when he needs to be. He showed to have some interest in science as he said he studied universes with Bulma.

Strenght
Tadija is very strong and fast for a human.He is the strongest human alive,as Yamcha and other human Z fighters where suprised for him being a human since they compared his energy with theirs.However, as it is shown in Dragon Ball : NS series, Humans and Saiyans were one in the past which could mean that he has unlocked Saiyan potencial in him.

Trivia

 * Tadija is the strongest human alive
 * Tadija's nickname Tai,could refer to Taichi from Digimon.
 * Tadija could be the first human that unlocked the Saiyan potencial within him.
 * Tadija's mentor in parallel universe was Goku.