Seventeen's Seungkwan has opened up an Instagram account.
His handle '@pledis_boos' is a parody off of Pledis Entertainment CEO Han Sung Soo's Instagram handle, which is '@pledis_boss', as well as a reference to his name 'Boo Seungkwan'. He's already being followed by said CEO, as well as the other Seventeen members. The account has also been confirmed by Seventeen's official Instagram.
You can go follow him @pledis_boos.