Edit for Doug: the uncommon super-ability to think.
Super Power: To make anyone on Earth laugh utilising referential and meme based humour. Only works once per person.
To be fair, this is p. much my super-power, and Shynet can confirm.
@Foster Be a therapist. AND HELLO THERE! *glomps*
Hm. The ability to change the color of your eyes. ...originally I thought about changing a different thing's color, but I decided...eh, better keep it away from the toilet.
Rooster teeth had that for "Million Dollars, but" except
it glowed, stupidly-brightly... Awesome for hosting NSFW rave-parties...
Add wigs, and now 10th best spy ever.
Ability: To change hairstyle to match whatever you're thinking, BUuuuuuut, there is no 'hold' or 'pause', meaning easy-come, easy-go and a bunch of bad hair days.
Alternately, a sentient shadow that only you can see, oh, and it talks... but again only you can hear it.