What are some unique but not over the top last names?

I am writing a book and I want some opinion on some of the last names of the characters,I will list their first names and then a little bit about them so you can give your input

Isla,has brown hair and blue eyes,tanned skin,a nice and caring person

Will,very tall and broad,very dark skin,native roots

Olivia,light brown hair,green eyes,funny and kind of out there personality

Cooper,messy blonde hair,medium height,very funny and outgoing

Landon,black hair,blue eyes,is in with the "popular" crowd but doesn't feel like he has to run with the pack all the time

Annika,dark hair,brown eyes,very subtle and calm,understands situations easily and tries to help