OUT OF CHARACTER
Backtagging. Yes! Absolutely go for it. God knows I'm slow sometimes.
Threadjacking/threadhopping. Go for it, man.
Fourthwalling. Sure! It makes for funtimes.
ACTION
Fighting. He loves a good fight. So by all means.
Injuries. Isn't a fan of receiving them but it's bound to happen during an encounter.
Killing. You can try. Speak to me first.
Telepathy/mind-reading. Possibly. Ask first.
RELATIONS
Hugging. Hahaha...ha... yeah, good luck.
Flirting. He's been known to flirt with a certain canary but isn't keen to doing it often.
Kissing and/or other intimate actions. Ahahaha... GOOD LUCK.