No matter how desperate a situation may seem, the songs of the Clown will inspire you to achieve a miraculous victory. Despite the name, the Clown is a serious factor in any battle—not just because of his ability to keep spirits high but because of his astounding archery skills as well.
Taught new songs by the gods themselves, Clowns are now a powerful class. They are able to enchant the enemy with different music and deal large amounts of damage with Arrow Vulcan skill. Clown can also give half their stats to a supported character enabling the supported fighter to increase their damage. This job is known as Clown in other localizations
To become a Clown, you must find a book called 'the Book of Ymir' in 'Sage Castle', Juno. The book will lead you to Valhalla so you can change your job through the Clown job NPC. Also you must reach at least job level 40 as a transcendent 1st class character.