儿

This character looks like two legs, doesn't it? Although one of them is a bit crippled. Who do these legs belong to? Your son.
by DIEnosaurKyo

Your son has 2 legs
by princy

Chữ 儿 (con trai) giống hai hàng nước mũi chảy lòng thòng
by lkhalliera

the son's leg is going outward and the daughter's leg going inward.
by umair