Action Comics #400
Superman becomes the guardian of Gregor, a teenage boy, when the boy's scientist father dies. However, Gregor hates Superman for accidentally causing him to become a genetic freak who changes into animals without warning. Supermen gradually trains him to control his powers and their relationship changes, until finally Gregor sacrifices his life to save others.
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Superman becomes the guardian of Gregor, a teenage boy, when the boy's scientist father dies. However, Gregor hates Superman for accidentally causing him to become a genetic freak who changes into animals without warning. Supermen gradually trains him to control his powers and their relationship changes, until finally Gregor sacrifices his life to save others.
Plot details indexed by the Grand Comics Database (CC BY-SA).