Colby vs Kolby AND we need a middle name :)

Nichole
This is for a baby boy!
So we know a few people named Colby and one of which I am not too fond of but we both love the name so we are dead set on it.
 My man suggested we just change the spelling slightly and I don't want to do "colbi" because that looks like E.coli to me hahaha. Anyways so he suggested we do Kolby but didn't know if that was too awkward of a spelling! 
And we need a middle name. 
Names that are OUT for us:
Russell 
Lee
Michael
Tyler
Jake
Samuel
Mason
Full name is 
Colby ____ Stover
or
Kolby ____ Stover 

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