Luke

Luke is a 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".

Luke 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 out of the school.

Physical appearance
Luke is an aardvark with a beige complexion. He dresses similarly to Mr. Marco. He wears light blue jeans, a blue sky jacket with a yellow shirt underneath, and brown shoes.

When playing soccer, Luke wears blue shorts with a white line running down the left side, a black shirt, and blue-and-white sneakers. In winter, he wears a blue sweater, blue hat, and light-blue mittens.

Appearances

 * Specials
 * Arthur - It's Only Rock 'n' Roll
 * Season 1
 * Arthur's Eyes 101a
 * Francine's Bad Hair Day 101b
 * Arthur's Spelling Trubble 102b
 * I'm a Poet 128a
 * Season 4
 * Muffy's New Best Friend 402b
 * Season 5
 * Double Dare 501b
 * Kids are from Earth, Parents are from Pluto 502a
 * Season 7
 * Francine's Split Decision 702a
 * D.W.'s Time Trouble 707a
 * Season 8
 * Arthur's Snow Biz 803a
 * Bugged 803b
 * Sue Ellen Chickens Out 805b
 * Season 9
 * Tipping the Scales 901b
 * Arthur Makes Waves (Buster's imagination) 906a
 * A is for Angry 907b
 * Season 11
 * Phony Fern 110401
 * Hic or Treat 110701
 * Buster Gets Real 110802
 * Season 12
 * Do You Believe in Magic? 120902
 * Season 13
 * The Pride of Lakewood 130902
 * Season 14
 * Nicked by a Name 140301
 * The Play's the Thing (Picture only) 140302
 * Season 15
 * Fifteen 150101
 * Buster's Secret Admirer 150301

Trivia

 * Luke spoke twice in the series, which took place during the episodes Francine's Bad Hair Day and Arthur Writes a Story.
 * Luke and Patrick were at one time seen in Mr. Ratburn's class.
 * In earlier seasons Luke was depicted as a third 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 fourth 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.