The Great Epic of the Bhārata dynasty 1.189.28

1.189.28

vyāsa uvāca |
etacchrutvā vajrapāṇirvacastu devaśreṣṭhaṃ punarevedamāha |
vīryeṇāhaṃ puruṣaṃ kāryahetordadyāmeṣāṃ pañcamaṃ matprasūtam || 28 ||

"Vyasa continued, 'Hearing these words of the former Indras, the wielder of the thunderbolt once more addressed that foremost of gods, saying, 'Instead of going myself, I shall, with a portion of my energy, create from myself a person for the accomplishment of the task (thou assignest) to form the fifth among these!' Vishwabhuk, Bhutadhaman, Sivi of great energy, Santi the fourth, and Tejaswin, these it is said were the five Indras of old.