No one is sure if this name is real - but it is unique!
Actress Amber Tamblyn, known for her roles on 'Two And A Half Men' and 'The Sisterhood of the Travelling Pants', announced on Instagram the arrival of her baby daughter she shares with husband, actor David Cross.
And in the tradition of crazy celebrity baby names - this one certainly takes the cake.
Her daughter's name? Dauphinoise Petunia Brittany Scheherazade Von Funkinstein Mustard Witch RBG Cross Tamblyn-Bey Jr.
But as bizarre the name is, fans have already picked out the perfect little nickname for her - Mustard Witch.