Initially, Daniel is an irresponsible and childish parent. He loves doing voices and being funny for people, especially his children. He has always loved his children, but has been more of a buddy to them than a competent parent. He also tends to clash with his wife Miranda Hillard concerning their set of rules, eventually leading to their divorce.
Following his transformation as Mrs. Doubtfire, Daniel learned to shape up and become more responsible and serious, as well as learning chores around the house, impressing Miranda.
According to Robin Williams, he spent 4½ hours a day having the makeup applied.