Niall Horan is a famous Irish musician. He’s 20 lives in London with his little sister, Karina who’s 14. Niall and Karina do get along really well… Sometimes they fight like every other siblings do. But Niall loves his sister very much! Niall is very goofy and child like. He’s very funny as well. He’s also very protective when it comes to his sister like literally. But he’s very loving and funny