Crush

From Pixar Wiki

Performer:	Andrew Stanton
Appeared in:	Finding Nemo

"Whoa, dude. Mister Turtle is my father. The name's Crush."

—Crush, to Marlin

Crush is a 150 year old turtle who helped Marlin and Dory get to Sydney to rescue Nemo. His nickname for Marlin and Dory is the jellyman and little blue.

Trivia

Crush appears in his own talk show at the end of the Seas with Nemo & Friends at Epcot.