I am Todoroki's younger sister BY FIVE MINUTES. 

DO NOT, I repeat, DO NOT call me Tika unless you have a death wish. My name is Tikki. 

My Quirk is to pull nitrogen out of the atmosphere, manipulate the nature of the particles to create solid and liquid matter

I dye my hair because I don't want anything to do with my parents. 
Originally, my hair was white, I dye it brown because SHE RUINED MY BROTHER'S FACE, and I don't dye it red because MY DAD IS A FLAMING GARBAGE CAN

(and I follow back)