Supercilia was a sentient single-celled life-form who was a superhero, and heir to Superman's legacy. He protects life-forms too small for other heroes to perceive. He was a member of the Superman Squad. ("Grounded")
| the Superman family | ||
| Present-Day | Superman • Supergirl (Super-Girl • Kara Zor-El • Matrix/Linda Danvers • Cir-El) • Superboy • Steel (John Henry Irons • Natasha Irons) • Eradicator | |
| Villains | Cyborg Superman • Superboy-Prime • Superwoman (Kristen Wells • Lucy Lane) | |
| Animals | Krypto • Beppo • Titano • Comet • Streaky • Fuzzy | |
| Future | Superman X • Willigig • Superstar • Superego • Supercilia • Titano • Kan • Layna • Superman of Xudar | |