baby face

Short definition from Wiktionary

Noun

1. 1
   A face, often chubby, resembling that of a baby; a youthful face.
2. 2
   A person having such a face, especially a young man having a beardless appearance.
3. 3
   A headlining wrestler with a persona embodying heroic or virtuous traits and who is regarded as a "good guy", especially one who is handsome and well-conditioned.
4. 4
   Alternative form of baby face.