Jeff

Jeff is a major protagonist in Avengers: Endgame. He only appears in Act I. He is one of Ness, Paula, and Poo's friends. He is extremely intelligent and is the son of Dr. Andonuts, who created the first Phase Distorter (time machine) with Apple Kid.

Appearance
Jeff appears to be a blonde boy with glasses and freckles. He wears a greenish school uniform.

Story
Jeff's character is more developed in Infinity War, where he has a more major role. Jeff first appears in Act I, where he doesn't do much after Apple Kid's mouse brings him, Apple Kid and Paula back to the present from a malfunctioned Phase Distorter, and is crushed by a building the Mother Porkship destroyed in Tokyo along with Mario.