Ren Serizawa is a key antagonist in Godzilla vs. Kong (2021) and the son of Monarch scientist Ishiro Serizawa. Despite his lineage, Ren’s relationship with his father was deeply fractured.
Ren’s struggles began in childhood as his father prioritized Monarch’s research on Titans over their family. His father’s absence mirrored the neglect Ishiro himself experienced from his own father. Hoping to earn recognition, Ren honed his technological expertise, but his efforts were ignored. A defining moment came when Ren’s mother passed away while Ishiro was away, leaving 18-year-old Ren to handle the funeral alone. When Ishiro finally returned, his indifference shattered Ren’s remaining hope for a real father-son bond.
In 2019, Ishiro sacrificed his life to revive Godzilla, ensuring the Titan’s victory over King Ghidorah. This act severed any chance of reconciliation, solidifying Ren’s resentment. Seeking to challenge his father’s ideals, Ren joined Apex Cybernetics, working on an artificial Titan to dethrone Godzilla. He became the pilot of Mechagodzilla’s psionic uplink, testing its systems piece by piece. His story is one of pain, ambition, and rebellion—shaped by neglect and ultimately leading him to the opposite side of his father’s legacy.