Your post could potentially completely derail the entire plot of the RP considering a squidthing with a gun charging into the museum and threatening people would cause MASSIVE problems for anyone who isn't supposed to know about other worlds yet and could ruin any point to a whole lot of things the GM might have had planned himself considering the ONLY thing that's likely to do is start a huge fight with the characters there that actually CAN do something about a gun-wielding tentacle alien.

Plus, yeah, you choosing to sign up as such a thing means you've kinda put yourself out of joining this very earliest bit of things.