Name the dog!

STORY:You're dad comes home with a present and its a puppy colie it's in a box with a bow on it it was supposed a gift for christmas but they had forgot about it you're 5 and you've always wanted a puppy but you're dad never approved of it....But he decided that since you've been a good girl he would get you one also you have a older brother named tommy and also you're dad brought a woman home that claims to be you're dads wife but you're dad doesn't like her but if you and you're brother dont like her/him then she/he gets kicked out of the house have fun!