Maid of Honor
Superpower: Knows every line in Twilight, every plant in the garden, and every use for nutritional yeast.
Best Man
Superpower: The one you want in your adventuring party.
The Cklysik
Superpower: Emotions. His, yours, the turtles. Everybody's.
Sister of the Groom
Superpower: Squirrel (and alpaca, dog, cat, etc) whisperer.
Cousin of the Bride
Superpower: Can help a goat give birth while wearing a skirt, can plan your life while doing crunches, and has been Katie's number one teammate since birth.
Brother of the Groom
Superpower: Storytelling (and telling and telling and telling)
Bridesmaid
Superpower: Knows what you did last summer, and has the forensic evidence to prove it.
Groomsman
Superpower: Has philosophized in 5 countries.
Bridesmaid
Superpower: IS a mermaid.
Groomsman
Superpower: Is probably Wolverine-- comes back from any injury sooner than you expect, and sooner than he probably should have.
Bridesmaid
Superpower: Building the robots that will take you to Mars.
The Squadlings
Superpowers: Let's face it, they're cooler and cuter than the rest of us.