Your costume sucks

I really enjoyed the Halloween MLP episode! xD So to celebrate, have some humanized Halloween ponies~

Question 1: What species were Luna's guards....?
Question 2: How could AJ put up with all that itchy hay tucked in her clothes?

Edit:
I really loved this reason behind the missing beard, by *yeslek
"It looks like they were making fun of Twi's beard so she took it off"