Sandeul is nicknamed "Psyduck" and "Bunnydeul" by their fans.
Sandeul is scared of Spiders.
Sandeul thinks he is the same as a Platypus.
Sandeul loves swimming and cooking.
Sandeul loves Luffy from "One Piece."
Sandeul has a habit of listening to sad songs. According to him, he loves listening to sad songs when he's happy and when he's sad he tends to listen to sadder songs.
Sandeul's dream is to create his own singing tone called "The Sandeul Tone."
Sandeul was the last member to be added in B1A4.
Sandeul wears contact lenses because of his poor eyesight.
Sandeul was once accused of plastic surgery because people thought he looked different now compared to his yearbook photo. But when Sandeul put on his old eyeglasses, people were convinced that he is indeed a natural beauty and didn't undergo any plastic.