Luke

4th Grade Male Aardvark is an unnamed fourth grader who made his first appearance in the episode Arthur's Eyes.

He may have been in Mr. Ratburn's class the previous year as shown in the episode Tipping the Scales. He is shown to be nice to the other kids at school. He is also seen playing on the Lakewood Soccer team numerous times. Once he finished his homework while walking down the school's street.

Appearance
4th Grade Male Aardvark is an aardvark with a placid complexion. He dresses very similarly to Mr. Marco. He has light blue colored jeans, blue colored sky jacket with a yellow shirt underneath, and brown shoes.

When playing soccer he is wearing blue shorts with a white line running down the left side, a black colored shirt, and blue and white colored sneakers. In the Winter he wears a blue colored sweater, a blue hat, and light blue mittens.

Trivia

 * This character spoke twice in the series, which happened during the episodes Francine's Bad Hair Day and Arthur Writes a Story.
 * This character and 4th Grade Male Rabbit were at one time seen in Mr. Ratburn's class.
 * This character in earlier seasons was depicted as a 3rd grader and was even in Mrs. Fink's class. In later Seasons he has never been seen in Mrs. Fink's class and is now a 4th grader.
 * He is seen in the intro of the show along with several other kids including the main characters.
 * In the episode Team Trouble, he breaks the fourth wall by waving toward the viewers through the window in the cafeteria, while Buster and Arthur are talking to Francine.
 * The inside of his house was revealed during the episode Sue Ellen Moves In while he was talking to the other kids on the phone about Sue Ellen. It appears that he is talking on the phone via the living room as part of the frame for a picture is seen. The wall is also dark green colored.