Merriwether St. John Williams (born March 28, 1968) is an American television writer, former Nickelodeon executive and actress, who has worked on television shows such as SpongeBob SquarePants, My Little Pony: Friendship Is Magic, Camp Lazlo, and Adventure Time.
After leaving the executive ranks at Nickelodeon, she wrote outlines for SpongeBob SquarePants[1][2][3] and a couple episodes of The Angry Beavers.
In 2003, she developed and became the show-runner and head writer of the short-lived Showtime animated sitcom Free For All.
More recently, Williams has written several episodes for Adventure Time, Littlest Pet Shop, My Little Pony: Friendship Is Magic, and Pig Goat Banana Cricket.
[4][5] She has also co-written the films Good Time Max, The Ape, and Fool's Gold with actor James Franco.