Alfredo Linguini (affiliate link)
I went with black and white only so as not to overwhelm the nighttime photo. The gingham paper suggests the checked pants that chefs often wear. I'm really happy with the idea to dot the final i in the title with a chef's hat sticker.
Here's the tutorial in case you'd like to make your own Linguini and Remy costume. It's one of the easiest costumes I've ever done.
Trevor will be 13 soon, so I don't know what his plans are going to be for Halloween this year. I hope he still dresses up, regardless of whatever he decides to do. We always have so much fun designing and making his costume together.