Seriously, the chain of command should stay the hell out of it. I'm not saying I like the dinosaur thing or think it's funny; but what the hell. Let her have her little ceremony and move on.
I guarantee people have done way more stupid stuff. Hell, I did a blue nose which was stupid, but not nearly as stupid as a shellback and those are cherished traditions. If anything they should just be happy that an NCO committed to give more years of life to the service
You act gay and were in the navy. Sounds like you're pretty gay.