M-rex vs P-rex

hi there,this is my first talkie,so,as you could see,the pic has a mosasaurus t rex hybrid and a plesiosaurus t rex hybrid,there called mosasaurus rex and plesiosaurus rex,choose one to be,or be a different dinosaur,or a human,idc,and you have to fight the other hybrid if your one of the hybrids in the pic,or be any other dinosaur,or a human