Your friend's hamster looks like these creepy old Halloween costumes : r/funny
The Best Scary Dog Costumes for Halloween | BeChewy
Halloween Animal Face Cover - Spooky LED Glow Halloween Head Cover Costumes,Bunny Bear Wolf Horror Headgear Costume Cosplay Props for Adults Yyid : Amazon.co.uk: Toys & Games
Frighteningly spooky Halloween costume ideas - The Brewery