Karla Williams is Boogie2988's sister.
Not much is known about her. The most we know is that she had ran away in the 80s. most likely 1983. It is known that she sometimes uses the camera to film Boogie’s freak outs and videos. There are also some videos where she confronts him about using her credit card, taking her money and taking advantage of her with Pokemon items and video games. She uses the camera as a protection to show Boogie’s greedy side when it comes to stealing things.