If you ever watched the Big Bang Theory you know this guy: Sheldon Cooper (played by Jim Parsons). During the first season he turned up for a Halloween party as the Doppler effect.

Yes, he had to explain it to people because nobody would understand on first try.

I’ve always liked the costume (black stripes are slimming – which I need more than Sheldon) and when I saw this:

I knew where I had seen this before.

Ragtag Daily Prompt: Doppler