Board Thread:General Discussion/@comment-27324545-20160105135410/@comment-39937547-20190626030031

Frisk: 10-12

Asriel: 1 year older than Frisk

Chara: A few months older than Asriel

Napstablook: 28

Toriel: 40+

Sans: 21

Papyrus: 17

Undyne: 20

Alphys: A bit younger than Undyne

Mettaton: 30

Asgore: 2 years older than Toriel

Monster Kid: 8