it was another day in your test tube.. great.. you are a mosasaur human hybrid so your about the size of a teenager and you can't age in appearance and your... immortal, you were floating in the test tube until a noise of footsteps got your attention thinking it was a scientist you ignored it

your appearance: sparkly blue skin, pure white eyes, blue hair,blue and white dress human arms and legs and a mosasaur tail

then somebody stepped in the room maisie lockwood she didn't notice you since she was on s mission to steal something and your the witness..