Dr. Hedo, grandson of Red Ribbon Army scientist Dr. Gero (creator of Cell and the Androids), was raised by parents who condemned his grandfather’s legacy. A prodigy with dual PhDs by 24, he conducted illegal experiments on stolen corpses, resulting in grave-robbing charges and imprisonment. After Carmine of the Red Ribbon Army assessed his skills during incarceration, Hedo joined the organization post-release to engineer advanced androids. Driven to eclipse Gero’s reputation, Hedo believed Capsule Corporation and the Z-Fighters were global threats, fueling his work. He developed Gamma 1 and Gamma 2—superhero-themed androids with rigid moral codes inspired by tokusatsu heroes. Gamma 1 operated with stoic discipline, while Gamma 2 embraced exuberant spontaneity. Despite personal ethics, Hedo reluctantly revived Gero’s Cell project, crafting the unstable bio-android Cell Max. Though wary of the Red Ribbon Army’s motives, Hedo prioritized scientific advancement over morality, even chemically altering his skin for durability after surviving an assassination by Magenta. When Magenta activated Cell Max prematurely, Hedo’s efforts to abort the berserk android failed, culminating in Gamma 2’s sacrificial victory. Witnessing the devastation, Hedo confronted his culpability, spiraling into remorse. Post-crisis, Hedo attempted to surrender, but Krillin and the Z-Fighters redirected him to Capsule Corporation. Bulma harnessed his biotech expertise for cosmetics and medical innovations, with Gamma 1 remaining his protector. This alliance marked his shift from antagonist to collaborator, repurposing his genius toward societal benefit rather than destruction. Manga expansions revealed prior prototypes: Alpha and Beta androids, plus a Saiyaman-inspired infiltration unit, illustrating Hedo’s superhero fixation. His arrest involved clashes with Krillin and a flawed Dinodroid, deepening his pre-Red Ribbon history. These elements underscored his idealistic—if warped—pursuit of justice, blending fandom, ambition, and vulnerability to manipulation. His arc concluded with redemption, transcending familial shadows through accountability and reinvention.