Why it worked
The video likely worked due to its humorous and relatable approach to cosplay, using readily available items and creative editing to evoke popular characters. The quick transitions and recognizable characters would have appealed to a broad audience familiar with the Sonic franchise.
Summary
The video features a person humorously attempting to cosplay as various Sonic the Hedgehog characters by using household items and digital effects. The person changes their headwear and facial expressions to mimic characters like Sonic, Tails, Knuckles, Amy, Shadow, and others, with accompanying character images shown on screen.