| The name of this article was obtained from production material.
While the name is technically official, a future episode can give the character a new name, which will then become the official name.
|Hair color||Dark brown (s1-s15)|
Dark red (s18-s20)
|Cartoon debut||"Arthur's Eyes"|
While she has not been heard speaking, she has been seen speaking to other characters in the background of a number of episodes. She appears to be nice to all the other kids at school.
Helen is a cat with brown skin. She wears a cream-colored collared shirt, a yellow sweater with long sleeves over her cream-colored shirt, purple overalls with pink pockets, long pink socks, and pink and white sneakers.
She has dark brown hair in a bob cut. She used to wear a yellow backpack or green backpack. Later on in the series she was seen with a blue colored backpack. Helen also wears an orange sweater with a yellow "P" on it.
She's been seen wearing yellow, green, and blue-colored backpacks in other episodes. When she was in kindergarten she wore a sweater with sleeves and buttons, a gray dress, and white Mary Jane type shoes.
In the episode "Arthur and the Real Mr. Ratburn" she wore a beige shirt, pink shorts, long white socks, and pink and white sneakers during the basketball game.
She was seen wearing the same clothes during the puppet show later on in the same episode. In the episode "Love Notes for Muffy" she is seen wearing pink shorts and a light pink shirt.
After Season 15, she now has auburn hair. She wears a pink shirt with long sleeves and blue overalls with pockets over her shirt. She also wears green and white sneakers. Her skin complexion is now pink.
- Season 1
- "Arthur's Eyes" 10101
- "Francine's Bad Hair Day" 10102
- "Arthur and the Real Mr. Ratburn" 10201
- "D.W.'s Imaginary Friend" 10401
- "Arthur Bounces Back" 10802
- "Arthur Writes a Story" 11201
- "Arthur's Lost Dog" 11202
- "Arthur, World's Greatest Gleeper" 11702
- "Sue Ellen Moves In" 12101
- "Team Trouble" 12202
- "Bully for Binky" 12301
- "Misfortune Teller" 12302
- "Arthur's Substitute Teacher Trouble" 12702
- "I'm a Poet" 12801
- "The Scare-Your-Pants-Off Club" 12802
- "My Club Rules" 12901
- Season 3
- Season 4
- Season 5
- Season 9
- Season 10
- Season 11
- Season 12
- Season 13
- Season 15
"Someone get my barf bags!" in "D.W. and Bud's Higher Purpose".
- Helen is in the same class as Prunella Deegan.
- She is a fan of Henry Skreever.
- She most likely met her friend Nancy at some point during kindergarten or at the Elwood City Preschool.
- During her year as a third grader she was in Miss Sweetwater's class as seen in the episode "Arthur and the Real Mr. Ratburn".
- In earlier episodes, Helen has never been heard speaking. However, she, Nancy, and a boy can be heard laughing at the information D.W. gave them about Arthur.
- According to what Arthur said in the episode "D.W.'s Imaginary Friend", Helen is apparently D.W.'s friend. As to how or why that is the case is a complete mystery.
- In the episode "Love Notes for Muffy", she was incorrectly mistaken as a 5th grader along with some or all of her classmates.
- Helen, Steve, Nancy, and Patrick were all seen in the commercial for Moon Boots in "Arthur Bounces Back". She would be seen in another commercial for the TV show Let's Talk to Some Kids, which took place during the episode "And Now Let's Talk to Some Kids". It's possible she's a child actor.
- She is a fan of Persimmony Glitchet's Horrendously Horrible Happenings books.