The Super Saiyans

This is a Level reached only by training hard, so hard that boundaries are broken and almost go mad. The Saiyan drastically changes from looks, but also his spiritually powers (powerlevel) sky rockets. The colors of the hair and eyes changes, the eyes go green and the hair goes blond (golden) Super saiyans have: Bigger Muscles, Long blond hair (depends on how the strong the saiyan is). Mostly a Yellow glow and lightning surround the fighter
The ones who achieved this goal are: Goku, Gohan, Goten, Vegeta, Trunks