Timmy and Tommy Tibble

"Without stopping to take a breath, Timmy Tibble can yell for five minutes. And Tommy Tibble; sometimes it seems like he's four kids!"

- Arthur Read

The Tibble Twins (Tommy Tibble and Timmy Tibble) are twin preschoolers in D.W.'s class at Elwood City Preschool. They are well known for being loud and playing rough.

Appearance
Tommy and Timmy are bears in the show and humans in the book. They always dress identically. They normally wear yellow t-shirts, purple shorts, yellow socks, and black and white sneakers. As they are identical twins, Timmy always wears a blue handkerchief while Tommy wears a red one to differentiate. Originally in the books, they looked more like humans and less like bears, but that changed in the cartoon series. Notably, however, in even later book releases, the two continued to appear as humans, despite the significant art shift in the books towards an appearance more in line with that of the television series.

Personality
Tommy and Timmy are mischievous, clever, reckless and often really mean and annoying (Timmy more than Tommy, but sometimes Tommy more than Timmy) but deep down they are good kids. Timmy is more independent and meaner than his brother as seen in "Double Tibble Trouble" and "Attack of the Turbo Tibbles." In "Double Tibble Trouble" it is revealed that when Tommy is not with Timmy he gets sad and behaves well, but at the end of the episode when Tommy gets sick Timmy doesn't seem sad and behaves like always. In "Attack Of The Turbo Tibbles," Timmy was the one who hurt DW. They each have their own unique ways of annoying someone, usually by yelling louder than one another. Tommy also seems to have more of a sensitive side than Tommy.

Family
Tommy and Timmy live with their grandmother in a large house that looks almost haunted.
 * Mrs. Tibble: She is Tommy and Timmy's grandmother. She loves the twins very much, but does not always show awareness to their erratic behavior, even though she does show the occasional distress. In the episode "Mind Your Manners" the twins forced themselves to learn manners to take her out to dinner. They spend all of their time at her house when they're not in preschool.
 * Trixy Tibble : The mother of the Tibble Twins. She is first mentioned in "D.W.'s Backpack Mishap", where fans find out how she used to take the twins on trips around the world.
 * Timmy & Tommy's Father: Although mentioned several times, not much is known about their father.

Friends

 * D.W. Read: The Tibbles are her friends but often try to compete with and pester her. They also trick her into doing foolish things because she tends to be gullible.


 * Emily: She is D.W's best friend. They often try to compete with her as well.

Timmy Tibble

 * Ricky Mabe: Season 3-5, Arthur's Perfect Christmas
 * Samuel Holden: Season 6-9, Arthur, It's Only Rock 'n' Roll
 * Tyler Brody-Stein: Season 10-11
 * Chris Lortie: Season 12-13
 * Jacob Ewaniuk: Season 16-Present
 * Max Henry Wolf: Arthur's Missing Pal

Tommy Tibble

 * Jonathan Koensgen: Season 3-6, Arthur's Perfect Christmas, Arthur, It's Only Rock 'n' Roll
 * Aaron Grunfeld: Season 7-8
 * Tyler Brody-Stein: Season 9
 * Ryan Tilson: Season 10-11
 * Jake Roseman: Season 12-13
 * Jake Sim: Season 16-Present
 * Madison Danielle: Arthur's Missing Pal

Trivia

 * In "Bleep", Timmy can whistle. But in "Whistling in the Wind" he can not.