Youtube Account Name!! Help Please!?

Okay my names Kelsey , Im 13, Favorite colors yellow,pink,green,purple neon colors, im random,funny; i need a youtube account ,sorry for stating the obvious but i was thinking of cutting my name short say something like kels. or something, i want something that i wont get tired of because al my old youtube account i got really tired of them . so please help , and thank you ! -♥Kelsey