Who is Eshu from A Tempest: Based on Shakespeare's The Tempest, Adaptation for a Black Theatre and what is their importance? "A_Tempest:_Based_on_Shakespeare's_The_Tempest

Eshu is the black devil-god who comes to Prospero's cave to celebrate the engagement of Miranda and Ferdinand because he is offended that he was not invited. He sings a bawdy song which offends Iris, Ceres and Juno, and Prospero commands Eshu to leave.