Question: what are cool girl usernames?
Answer: Autumn Spring. Is it autumn? ... 
Bedazzled Blue. I love the word bedazzled, and blue adds a nice touch to it. ... 
Beach Bionic. If you love the beach or are an intense surfer, then Beach Bionic is the right username for you.
Blossom Cotton. ... 
Blueberrie Ham. ... 
Boogie Lollipop. ... 
Bunny Passion. ... 
Butterscotch Seven.