Larkspur has light skin, blond hair and purple eyes. His wings are white, and he wears all purple. His outfit consists of a short-sleeved tunic, with a silver belt, purple pants that go down to his knees, and purple shoes.
- Larkspur is named after a flower. Larkspur is the favorite flower of Princess Blair, the second oldest of the twelve sisters from Barbie in The 12 Dancing Princesses.