Based on the provided information, Sasuke Tamasaburou is a character in the 1997 OVA *Eternal Family*. He is the eldest son in an artificially constructed family unit created for a televised reality show. This fabricated family, consisting of six unrelated individuals plus a dog and a chicken, lives within a sealed capsule environment under constant broadcast surveillance for Champon City viewers. The family members, except actor Ben Hanada who plays the patriarch, are brainwashed into believing their false relationships and shared history are real.

Sasuke Tamasaburou exhibits extreme violent tendencies. He owns a machine gun and frequently fires it indiscriminately. His behaviors also include spray-painting graffiti and deliberately inhaling paint fumes, contributing to the household chaos. The family's existence is disrupted when a plumbing failure breaches their capsule, allowing them to escape. During this escape, Sasuke and the others explore the outside world while evading capture efforts led by the television station head, Xavier. A reward offered for each member leads to their eventual recapture. They are returned to a new capsule environment where they undergo renewed brainwashing to resume their fabricated roles for the broadcast.