I was going to say Rigby instead of Digby. But either's cute.
Sullivan
Arrow
Lennox
Ezra(too similar to Espen? Not sure..)
Bruno (only Sacha Baron Cohen has guaranteed its popularity won't be growing)
Jarvis
Rocco
Neo
Zed
Jericho (I am posting this everywhere until someone uses it!)

I don't think Milo is too bad, popularity wise. I have only met one in my 10 years in the industry.
In other news, I rocked out at a wild party with a guy called Espen the weekend that this little groover within was created!