Cruffin Members Profile & Facts Cruffin (크러핀) is a male project duo under Mountain Movement, consisting of Ji Hayong and Kim Taehyung. They debuted on December 15, 2022, with the digital single “My Christmas“. Cruffin’s name stands for?  A combination of croissant and muffin. Hayong’s favorite is a croissant. Taehyung’s favorite is a muffin. Cruffin … Continue reading Cruffin Members Profile & Facts