Kyle

Unknown Male Dog is an unnamed character who made his first appearance in the episode D.W. All Wet. He is usually seen at the Elwood City Preschool, but has been seen in other places around Elwood City. He hangs out with the other students in his class, including D.W. Not much is known about his personality. He may be the brother of Mary Ann, as suggested in the episodes Bleep! and Emily Swallows a Horse, where the dad in both episodes is the same.

Appearance
Unknown Male Dog is a dark brown dog who wears a light blue shirt, slightly dark blue shorts, white socks, and red-and-white sneakers. In the episode D.W.'s Backpack Mishap, he wears the same shorts when he goes swimming. He also has some hair on his head.

Trivia

 * He spoke in the episodes D.W. All Wet and So Long, Spanky.
 * He might also have an older brother.
 * In the episode Double Tibble Trouble his name was most likely revealed on a get well card.