Halloween // Costume Inspiration Help!

I (20M) am doing my first college Halloween party this year and I can't come up with any fun and unique costume ideas! I always love getting really into my costume, making them as true to character or reality as possible. I love making costumes of movie or television characters as well as true to life representations of this you don't usually see on Halloween!

Previously I have been: Crocodile Dundee, Ozzy Osbourne, The Hash Slinging Slasher, A real hazmat suit, and I attempted what could only be described as an offensive rendition of Gordon Ramsay