Full Name Fretosaurus
First Appearance (Xianghua in Rockoland) Welcome, Sleepy Friends!
Xianghua in Rockoland Portrayer Hank Azaria
"Have no fear! The great T-Rex is here!"
— Fretosaurus during the events of Xianghua in Rockoland.

Fretosaurus is a very wise tyrannosaurus rex that appears in Xianghua in Rockoland. He is known to be Angol Fear Drowsy-Type's friend.

Fretosaurus is a nice tyrannosaurus rex, like Barney from Barney and the Rocko Squad.

Fretosaurus is voiced by Simpsons voice actor Hank Azaria during Xianghua in Rockoland.