Mr. Mason

Mr. Mason (Full Name: John Kelton Mason) was a minor character in Gets Grounded. He was Barney's previous teacher, as well as a staff member of Plotagon School. He was known for getting mad at Barney's shenanigans, as well as sending him to the principal's office. He was killed by Barney using BJ's Minigun.

Appearances

 * S1E4: Barney Misbehaves During The Fire Drill
 * S1E8: Barney Yells At Caillou
 * S1E12: Barney Cuts School
 * S1E34: Barney Brings BJ's Minigun To School & Kills His Teacher (death episode)
 * S2E48: Barney's Past Catches Up With Him (security camera footage

Trivia

 * His full name is John Kelton Mason
 * Both Mr. Mason and Mr. Preston's first names are John. They have also both been Barney's teacher before.
 * He was made to ressemble Mr. Preston
 * He was originally intended to be Barney's long term teacher, however Doomsday Animations decided to kill him off so that his Barney could almost have the same teacher as JakeAnimations instead.
 * His favorite color is yellow
 * He died on Barney's 12th birthday