Johnson Nguyen, also known as Johnson Wen, is the person who attacked Ariana Grande at the Wicked: For Good Singapore premiere.

Wicked: For Good actress Cynthia Erivo protecting co-star Ariana Grande from Johnson Wen, a serial event crasher, at the movie premiere at Universal Studios Singapore on Nov 13, 2025. (Screengrab: TikTok/@galafr)

For Good premiere in Singapore, Ariana Grande was physically accosted on the yellow-brick-road carpet by serial event-crasher Johnson Wen, aka “Pyjama Man,” sparking widespread outrage online.