According to Kiloto the Minoto (Episode 5, Chapter 2), he is 2 years old.
Trowel is a typical trowel used in gardening. He possesses a yellow handle and a flat metal grey surface as a head.
Trowel is very brash and is seen as a bully by many contestants, mainly by Arch , who he likes to prank and harass with his partner Beer. He is also a bit dim-witted and impulsive, not thinking about the consequences of his actions.
S1 Ep 1: Burned to death.
S2 Ep 1: Burned to death.