Oh of course. They even have experience groups just for that. :)
Why don't you make them their own EP accounts and then you can troll each other?
I used to have an imaginary boyfriend when i was in high school. He was a Satanic, Telekinetic Goth dude, who was in cult with his friends. He read my mind a lot so he knew everything i wanted. Despite all those things he still treated me like a princess.
Yes, and all the voices!