Already 18 years old, analogous to a human aged 80+, the lion was toothless and ill.  Named "Frasier," he became a major attraction at the park when, despite his advanced age, Frasier fathered litters totalling 35 lion cubs by the park's pride of six lionesses.
An 18-year-old lion, comparable to an elderly human in their 80s, was toothless and ill.  He was named "Frasier" and became a major attraction at the zoo, despite his advanced age, fathered numerous litters of cubs with the park's pride of six lionesses.