- As they work at Lexcorp's dig site, a couple of the scientists in charge pass the time by complaining about their boss and doing a hilarious imitation of him. The exchange is gold, especially the part where they imitate his Evil Laugh.
- Luthor referring to Doomsday as an "intergalactic soccer hooligan.".
- This exchange:Lois: We've been together for six months. It would be nice to start calling you something other than Superman!Robot: He also goes by Kal-El.Lois Lane: Shut up!
- Lois's version of "Is it really you?"...Lois: If you're a robot, or another damn clone or something, I swear to God...
- Kevin Smith's cameo, where he's a bystander calling Toyman's giant mechanical spider lame.
- Clone!Superman removing the Kryptonite Restraining Bolt Luthor placed inside him: Walk into a beauty salon, drill a hole in his skull with heat vision, remove said Kryptonite, and walk out.Clone: Have a good day, folks!
- Lex Luthor is on the run from Clone Superman and baits him into entering a room with red sunlight, while Lex is wearing kryptonite-enhanced gloves. Clone Superman simply closes the door and wrecks the room from the outside.
Funny / Superman: Doomsday