Jolly Santa Claus bathroom decorations for whimsical fun Christmas decor in the bathroom. Let your imagination go wild. In our house, we enjoy laughter and fun all year, but especially at Christmas time. Your Santa bathroom decorating adventure begins with shower curtains and includes everything from toothbrushes to bathroom sprays for the holidays. Have a happy Ho Ho Ho with Santa Claus bathroom decor this year! How will you add Santa to your bathrooms this year?