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"It's not the same as being a father. It's almost like just giving you another perspective on your life," said , who loves spending time with his grandchildren.

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With daughter and granddaughter , shared, "I think I'll be typical, doting and spoiling her and I think she'll spend a lot of time at our house."

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opened up about being a grandparent, saying, "It's a wonderful opportunity to be part of a child's growing up, which is always an endless springtime."

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said, "All you have to do as a grandparent is to be there, see, and listen, and then the entire world of grandchildren drumming on your heart will be accessible to you."

The Happy Days star has six grandkids.

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"When they understood that I was Mike Wazowski in Monsters, Inc., I had to talk like him for six months. It drove me crazy," shared.

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"It is the easiest thing to be a grandfather," admitted. "They come over to the house, you play for an hour or two, and after two hours, they leave. It's fantastic."

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"It's such a joy to be a grandparent. There's something very special about it," shared.

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Pop-Pop thanked daughter and her husband, , for granddaughter , playfully warning, "Already planning the ways to spoil her and then hand her back."

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"You have to make their macaroni and cheese just perfectly!" , a grandfather to his three grandkids, exclaimed.