He'd probably be something like this critter. Found it on
wtf_nature.
Click to view
I know it's in Japanese, but I guess this is supposed to be some kind of educational program. That first caption you see I think asks what the blanket octopus uses to protect it's body. Then I imagine they're discussing it.
Luckily, Davy has a much better sex life (at least in our minds) than this little guy. When it comes across a female, it fills a tentacle with sperm and gives it to the female. She goes off to make babies and he dies. But I thought as far as octopuses go, it was actually kinda pretty.
Here's the Wikipedia article if you're interested:
en.wikipedia.org/wiki/Tremoctopus Wonder if a built-in blanket makes up for a lack of tentacles...