The 링마스터 이자 창조자 인 The Amazing Digital Circus.

Art by: https://www.tumblr.com/puddingandp1/816623024835067904/something-simple-to-back-into-the-swing-of-things

His onesie (credits in link): https://www.instagram.com/p/DZ8F1RjE3v2/?img_index=1