As soon as he entered the room, Jett heard his grandfather roar and got scared straight.
Jett lived up to his name and took off out of the room, making a frightened face the whole time.
Jett’s aunt, Harli White told ABC News: “He just laughs and laughs. Then he tries to scare grandpa too."
The video was posted byAmerica’s Funniest Home Videos on their Kyoot Kids channel.