By all means feel free just to chat in the guestbook - as long as it's not spam!
Anybody with Admin below their name is definitely me or a trusted person. I myself will always sign as Butterfree. If somebody signs under that name but does not have the Admin label, it is most likely an impostor.
lol, no problem. Thanks for indulging all my silly fanfic shenanigans and art requests. You made my year a lot brighter, too. Hope you have a great 2017!