Watch: Kate Gosselin Reveals How She Budgets Her 8 Kids' Christmas GiftsThe voice of Frosty the Snowman was a jolly, happy-and prolific-soul. While Jackie Vernon-who brought the character to life in the 1969 animated holiday special-welcomed three children with wife Hazel Vernon during his lifetime, the late stand-up comic allegedly fathered several kids that he kept hidden from other family members. Jackie's son David Vernon revealed he learned of his father's past during a surprise visit to his family home from an unexpected guest during his youth.