Classic animation. Rad Trunks. Primarily Metropolis Friends and Foes, guest stars limited to two per season if 13 episode seasons , 4 per season if 26 episode seasons. Mad scientist Lex.
Theme: Classic Superman
Environments includes: Metropolis, Smallville, Fortress of Solitude, Bottle City of Kandor, Krypton (reminiscent of classic "Superman Returns to Krypton", Superman #141), Phantom Zone, Lexor
Cast: Superman / Clark Kent, Lois Lane, Jimmy Olsen, Perry White, Lana Lang, Pete Ross, Lucy Lane, Supergirl / Kara Zor-El / Linda Danvers, with regular flashbacks with Jonathan & Martha Kent, and Jor-El and Lara. Others, according to environment / storyline.
Super-Pets, from most regularly used to sporadically used: Krypto the Super Dog, Streaky the Super Cat, Comet the Super Horse, Beppo the Super Monkey
Villains: Lex Luthor, Mister Mxyzptlk, Brainiac, Toymen (Winslow Schott and Jack Nimball), Prankster, SKULL, Atomic Skull, Metallo, Parasite, Master Jailer, Terra-Man, Phantom Zone Criminals (General Zod, Jax-Ur, Kru-El, Faora), Kryptonite Man, others, according to environment / storyline.
Misunderstood characters: Bizarros, Titano