Lloyd Garmadon — Lego Movie

After Lloyd revealed to Ninjago that he was the green ninja and saved Ninjago City from a giant cat, his mother managed to get his father, Lord Garmadon, a shared custody agreement, and to get him away from the city and relax, his mother forced him and his father to go on vacation together for a while.

After the flight and checking into another one near the sea, he saw you, a boy/girl about the same age as him who was helping carry suitcases, which he became interested in. When you left your things in his room, his father and he went to explore the beach where he saw you again, this time surfing. His father realized that he was looking at you and started laughing and trying to help him.