John Aoshima

John Aoshima is a well-known animation director that directs some episodes of Gravity Falls, and is also well known for his work for American Dad.

Episodes directed by John Aoshima

 * "Tourist Trapped"
 * "The Legend of the Gobblewonker"
 * "Headhunters"
 * "The Hand That Rocks the Mabel"
 * "Irrational Treasure"
 * "Fight Fighters"
 * "Summerween"

Trivia

 * The dolphin/human hybrid Aoshima from The Inconveniencing is named after John Aoshima. In the episode, Mabel yells "Onwards, Aoshima" while under the influence of Smile Dip, and the quote is found at the end credits in the code.