Sinbad in Jingle All the Way has the best character arc. Sinbad plays a postal worker and starts off fine before ending their character arc by going postal on everyone.
I absolutely love how unhinged he becomes. The passage of time has only multiplied how dark the bit is too.
Last year stumbled upon a lone Turbo Man doll in a Walmart discount bin, made to look like the box from the movie.
Best impulse purchase of my life.