This character is originally from Grojband. But it may be supported with fanon info.
Laney Penn is a female Fire Ninja who is Cole's Girlfriend and an ally of the Ninja gang.
Laney was born into the Penn Family by two unknown parents with two younger brothers. She joined the Kick Butt Dojo to have a better life with her cousin and meet some peers there. She met Jack Brewer, Jay, and Dan Lewis as well as her fiance, Cole.
She and her two friends helped Sensei Wu, along with Kai and Zane, stop Lord Garmadon and prevented his evil plans.
- Fire Ball