Pinkau

Pinkau is the last of the Earths defenders. The Z-Fighters are all dead of old age, including Goku. Pinkau was the last son of Trunks as an adult. He remains a teenager due to wishing to remain young for his agility. He resembles Gohan a bit.

Techniques
Big Tree Cannon - Taught by his father.

Flash Bang - Taught by Trunks, his dad.

Buster Cannon - Taught by himself after hearing about it from his father.

Super Buster Cannon - Only used once.