Karate Baby 6 (2014)

Luke, a simple boy trained by his SENSEI in karate, is living in his epic rich mansion when weird ninjas start chasing him. He defeats them, by turning them into bugs, and travels to Hawaii, then to New York. There he meets John, alias Fat Boy, who is fat, and Johnny. He learns about their powers and together they fight this giant big bad, the Lazer Man.