IKKAN is a Japanese actor and voice actor born on March 1, 1971, in Asahikawa, Hokkaido. He is affiliated with the theatrical company Theatre Echo and serves as the representative of the production unit Office Kaijinsha. His real name is Arai Ikkan.

IKKAN began his voice acting career in the 1990s after joining Theatre Echo in 1992. Beyond performing, he has extensive experience as a stage director and writer, having founded or co-founded several theatre groups including IKKAN Produce, Kaiketsu Panders, and Tsuranuki Kaizokudan. He is also recognized for producing and developing notable comedians such as Tekken and Toriamu Hajime.

In the field of animation and puppetry, IKKAN is known for his long-running role as the voice of the Rapper, a kappa character, in the NHK Educational TV series Gan Gan Ganko-chan and its related shows, including Shin Zawazawa Mori no Ganko-chan and Zawazawa En no Ganpe-chan. He has also performed as the narrator and provided character voices for other NHK Educational programs, including taking on the role of Prog in Why! Programming and voicing Smaphone in Sumaho Real Story.

His anime voice credits include playing the Bishop and an MC in the television Tokyo series Yu-Gi-Oh! VRAINS. His work in dubbed foreign media is extensive, particularly for Disney and Netflix productions. He has provided voices for the Disney Channel series Vampirina as Remy, for Netflix series such as Ask the StoryBots as Scott, Cupcake & Dino: General Services as Petrie, and Arlo the Alligator Boy as Ansel Beauregard. He has also participated in Japanese dubs for Disney films including the live-action Aladdin, Tangled, Enchanted, and Lady and the Tramp.

IKKAN has maintained recurring collaborations with NHK Educational TV across multiple children's and educational programs and has regularly worked on dubbing for Disney and Netflix properties. He also serves as a master of ceremonies for the Gunvolt Jouhoukyoku program on Niconico and YouTube.