Anna, mother of Naeun, Gunhoo and Jinwoo from 'Superman is Back,' currently battling cancer

"People were trying to touch Naeun and Gunhoo": The reason why celebrities hide their kids from the public

Naeun & Gunhoo's family to rejoin 'The Return of Superman' cast with their youngest sibling

'Superman is Back's Gunhoo shows off his big boy boots after becoming an older brother

Naeun and Gunhoo's family from 'The Return of Superman' is expecting a third child

'Superman Is Back's Gunhoo turns into a breakdancing CG baby in his new 'Baskin Robbins' CF

TROS Superstar Gunhoo's doppelgänger: Keanu Reeves?

Baby Gunhoo to take a break from all activities due to an injury

Baby Gunhoo adorably contemplates whether to expose his hidden, eloquent speaking skills during his first ever interview

EXO's Kai and Chanyeol spend quality time with baby Naeun and Gunhoo on 'Superman Returns'

EXO's Kai and Chanyeol play with Naeun and Gunhoo in 'Superman is Back' preview

EXO's Kai and Chaneyol captured spending time with baby Naeun and Gunhoo for 'Superman is Back'