It's exactly like that!
You don't have to sign up early or anything. You come with your animal and its finished costume. Write down a little description to be read or say whatever you want. It's not a formal thing at all.
Cons 2014 - Ahn!Con | Kawa Kon | Wizard World St. Louis | Costume-Con | Marcon | Cosplacon | Dragon*Con | Archon | Chicago TARDIS
In Progress- Cecil from Welcome to Night Vale
| Jonathan Strange from Jonathan Strange & Mr Norrell
| Madeline Westen from Burn Notice
Misha's Costumes in Progress- Mr Norrell from Jonathan Strange & Mr Norrell
Kawa Kon: Into Darkness in 2014!