Nikki

Nikki was capture by General ShyGuy cause of his brother Darius killing a minion of General ShyGuy.

Nikki's Glowing Shuriken
Nikki has a shuriken as her brother Darius but Darius was gone on something he kept as a secret. It was pretty much her very first shuriken but it was a special shuriken. Sometime the shuriken glows if something bad is going to happen. It also gives her some power to do ton of damage to a lot of there enemy's that gets in her way.

General ShyGuy's revenge
Both Nikki and Darius hates shyguys. But when Darius killed one of General Shyguys men, General ShyGuy got angry and captured them. But then Darius was freed and he was looking for help around the world. But when no one wanted to help he tried to save Nikki. It was a success but Darius ended up being captured again by General ShyGuy. Nikki was scared to get Darius back. So then she was looking for help to save Darius but a bunch of Shyguys was after her. She then found Mario and asked him for help and when they heard Darius was being planned to be killed at Toad Town they headed to Toad town very fast to save him. Finally Darius was freed and both Nikki and Darius defeated General Shyguy and lure away the other Shyguys.