The Incredible Hercules
The series starred the mythological superhero Hercules , his sidekick Amadeus Cho , the seventh-smartest person in the world , and half-sister Athena . 
<triplet> Hercules <subj> superhero <obj> instance of <subj> Athena <obj> sibling <triplet> Amadeus Cho <subj> superhero <obj> instance of <triplet> Athena <subj> superhero <obj> instance of <subj> Hercules <obj> sibling