Foolish Sibling, Responsible Sibling: Mo is a bad student and he loves video games. Sam is a good student, she gets angry when Mo does stupid things but she sometimes has her stupid moments.
How Do I Shot Web?: Mo and Sam usually take some time before learning how the halfway powers work.
Stumbling in the New Form: When Mo and Sam get each other's regular shape, they initially have trouble walking since Mo's legs are usually longer than Sam's.
Sam's tropes
Animal Lover : Sam has a hamster and she loves squirrels but squirrels are afraid of her. She fights for animals that are ugly.
Mo's tropes
Asleep in Class: Mr. Brick once gave him a two-hour detention for it.
Only Known by Their Nickname: Mo's real name is Maurice Goldfinger, Jr. but he's rarely called that. The few people who don't usually call him "Mo" call him "Junior" instead.