Hanho Heung-Up Co., Ltd. is an animation studio based in Seoul, South Korea, founded in 1984. Over the years, the company has been doing overseas work for the productions of many North American animated films and series, most notably Nickelodeon's Doug for season 1, season 4 of Disney's The New Adventures of Winnie the Pooh and the 1999 version of The King and I. In its native land, it is best known for its work on Fly, Superboard, which aired on the KBS network from 1990 to 2007.
Kim Seok-Ki is currently the company's president.
- 101 Dalmatians: The Series
- Alvin and the Chipmunks
- Bob's Burgers
- The Busy World of Richard Scarry
- The Care Bears Family (1986–1988) (Animation production shared with Wang Film Productions)
- The Care Bears Movie (Animation production shared with Wang Film Productions and Mihahn)
- Chuck Norris's Karate Kommandos
- Darkwing Duck (1991-1992) - 15 half-hour episodes: Dirty Money, Quack of Ages, The Haunting of Mr. Banana Brain, U.F. Foe, Bad Luck Duck, Jail Bird, The Revenge of the Return of the Brainteasers, Too!, Inherit the Wimp, Steerminator, Paint Misbehavin, Mutantcy on the Bounty, Clash Reunion, Fraudcast News, Extinct Possibility and Malice's Restaurant.
- Dino-Riders (Episodes 1-2 only)
- Doug: (Complete Series 1991-1994)
- Dragon's Lair
- Droids (cartoon)
- Hulk Hogan's Rock 'n' Wrestling (Animation production shared with Wang Film Productions and Shaft)
- The Magic School Bus
- Mister T
- The New Adventures of Winnie the Pooh (Some episodes in Season 4)
- Real Ghostbusters, The
- Space Ace
- Spectacular Spider-man
- SWAT Kats: The Radical Squadron
- TaleSpin (1990) - 1 half-hour episode: It Came From Beneath the SeaDuck.
- Teenage Mutant Ninja Turtles
- Tom and Jerry: The Fast and the Furry (2005)
- Turbo Teen
- When the Wind Blows