Katsumasa Ikeda (池田勝正 Ikeda Katsumasa?) is a Japanese YouTuber, GoAnimator, Plotagonist, video maker, actor, voice actor and sound effects editor. As a sound effects editor, he is known for his usage of comedy and cartoon sound effects from Hanna-Barbera, Hanna-Barbera Lost Treasures, Warner Bros., Rocky and Bullwinkle, Cartoon Express, Turner Entertainment Co., Animation Collection, Cartoon Trax from The Hollywood Edge and Series 4000 Hollywood. He is the founder of Ikeda Sound.

He is the younger brother of Heiichirō Ikeda, who's also an actor, voice actor and sound effects editor using sounds from The Hollywood Edge. His best friend is Fuyuki Kurokawa, who's a director and cinematographer.


Ikeda began his career by making his own videos using Adobe After Effects and Adobe Premiere at the age of 18. In 2004, Fuyuki Kurokawa made a sketch comedy series called Katsumasa Ikeda's Sketch Comedy Show (池田かつまさのスケッチコメディーショー Ikeda Katsumasa no Suketchi Komedī Shō?).

On August 13, 2012, Ikeda created his Nico Nico Douga account. He joined GoAnimate (now Vyond) and made his first video called "My first video on GoAnimate" (GoAnimateの最初の動画 GoAnimate no Saisho no Dōga?) and published it on YouTube and Nico Nico Douga.

On July 23, 2014, Ikeda joined Plotagon and made his first Plotagon video called The First Japanese Video on Plotagon (Plotagonでの最初の日本語動画 Purotagon de no Saisho no Nihongo Dōga?). He published it on said two sites.

Sound effects libraries he uses

NOTE: Boldface indicates main library usage.

  • Animation Collection
  • Cartoon Express Sound Effects Library
  • Cartoon Trax Volume 1 + 2
  • Hanna-Barbera Lost Treasures
  • Hanna-Barbera Sound Effects Library
  • Rocky and Bullwinkle Sound Effects Library
  • Series 4000 Hollywood Sound Effects Library
  • The Premiere Edition Volume 1 + 2 + 9
  • Turner Entertainment Co. Sound Effects Library
  • Warner Bros. Sound Effects Library
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