Despite its impressive appearance and strength, Super Saiyan 2 didn’t get the recognition ... than it could have been. Kaioken was the very first transformation Goku used in the Dragon Ball ...

Super Saiyan 2 Goku retains the heightened yellow hair ... the original Super Saiyan transformation does, but better. Kaio-Ken Goku Turns Dragon Ball's Hero Into A Dynamic Burst Of Blood Red ...

From the time Goku first became a Super Saiyan in the Namek Saga to the arrival of the sagas such as Kaioken Form and, more recently, God Form and Ultra Instinct, each of the forms has contributed ...