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The truncated version of my initials (the ones that got used all the time growing up, especially in Elementary school) is BS. No idea how mom and dad let that happen. Had they been thinking about initials at all, they probably wouldn't have. But in all honesty, I can probably count on one hand the number of times I got teased about my initials. The few times kids teased me about my name, it was usually because I had the misfortune to be named Brittany and in middles school in the late 90s. So many Britney Spears jokes... But again, not something that my parents could have prevented given that she was unknown when I was born in 1984...
Also, as I've gotten older, I just use the long form of my initials when I have to initial a document or sign an email. I assume your son could do the opposite.
I have always hated my first name--Brittany. I was born before there were very many Brittany's, and when I was little, I hated that I couldn't find any personalized things with my name on in. Then when I was in middle school and high school it started being associated with ditzy blondes, thanks to Ms. Spears, et. al. When I went away to college, I was finally able to take control over my name, and started going by my middle name--Devan--and have never looked back. Sure, people don't know how to spell it when they hear it, or say it when they see it, and people often ask where my parents came up with it (I have no idea and they've forgotten), but it definitely suits me.
I think Camilla Mae Maxwell flows beautifully