KNOCK! KNOCK!

There's been a knock at the door. Stranger danger!

            __________
           |  __  __  |
           | |  ||  | |
           | |  ||  | |
                | |__||__| |    /
                        |  __  __()|    _  KNOCK!
                           | |  ||  | |          KNOCK!
                | |  ||  | |    \
           | |  ||  | |
           | |  ||  | |
           | |__||__| |
   ?       |__________|
|\__/,|   (`\
 |_ .  |.--.) )
 ( T   )     /
(((^_(((/(((_/

What do you do? Run and hide? Or greet them?

ASCII art by llizard aka ejm