Toon-Us-In

Last updated January 01, 2026

Toon-Us-In was an American-Korean animation studio that animated episodes of The Ren & Stimpy Show , Captain Simian & the Space Monkeys , Watership Down: Home on the Down , some Peanuts specials, and Love Story of Juliet. In addition, they animated the main titles for Hey Arnold! .

The Ren & Stimpy Show

Episodes of The Ren & Stimpy Show they animated:

"Chicken in a Drawer" bumper
Untamed World short after "Hermit Ren"
"Magical Golden Singing Cheeses"
"Double Header"
"My Shiny Friend"
"Ren Needs Help!"
"Ol' Blue Nose"
"City Hicks"
"Ren's Brain"
"Who's Stupid Now?"
"Varicose Veins" bumper
"Pen Pals"
"Dog Water" and "Craft-Works Corner: Stimpy Kadoogan" bumpers
"The Last Temptation"

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v t e Animation industry in South Korea
Active animation studios/companies	AKOM Digital eMation Dong Woo Animation Dong Yang Animation DR Movie G&G Entertainment Hanho Heung-Up Heewon Entertainment Iconix Entertainment Rough Draft Korea Saerom Animation SAMG Entertainment Studio Mir Sunmin Animation Sunwoo Entertainment Yearim Yeson Entertainment
Defunct animation studios/companies	Anivision/Grimsaem/Hana Animation/Sunwoo Digital International Koko Enterprises Sei Young Animation Toon-Us-In
Animation icons	Bernard Cubix Dooly The Haunted House Pororo the Little Penguin Pucca Robocar Poli
Related topics	Korean Wave Manhwa Webtoon List of Korean animated films List of Korean animated series
Note: The animation icons shown in italics were animated by South Korean studios, but were not conceptualized or produced by them.