Origin
Kenjiro “Ken” Tanaka attended S.H.I.E.L.D. Academy alongside Wendell Vaughn who later became the cosmic hero Quasar. After graduation, Tanaka took an undercover position with International Data Intergration and Control and became its director of design. He soon left IDIC to join his former classmates at Vaughn Security Systems. Tanaka discovered the link between Wendell Vaughn and Quasar and agreed to keep the secret safe.
Creation
Kenjiro Tanaka was created by Mark Gruenwald and Paul Ryan and first appeared in Quasar #5.