Green Reebok aura

Someone who you feel is dangerous in some way but you cannot put your finger on exactly what makes them dangerous which could cause some interest in said person

Ray:“I got a bad feeling about this Jake.”
Jake:“Don't worry it’ll be fine!.”
Ray: What do you mean the man is giving way too much green Reebok aura to be messed with and I’m not trying to get folded like an omelette.”