Oh, dear, don't! Overdone is putting it lightly - it's so tacky and cutesy.
Michelle is the feminine form of
Michael, so you're naming the children the same name. It takes away from their identity.
On their own, without being used as any form of sibling names,
Michael and
Michelle are nice names.
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Lissa Hannah-
As soon as tradition has come to be recognized as tradition, it is dead. - Allan Bloom
!, !, !, !, !, ! = Kipling, Barry, Mortimer, Maris, Blanche, and Gladys.