regional deities Ayyappan and Aiyanar – is born. In outskirts of Ernakulam in Kerala, a deity named Vishnumaya is stated to be offspring of Shiva and invoked in local exorcism rites, but this deity is not traceable in Hindu pantheon and is possibly a local tradition with "vaguely Chinese" style rituals, states Saletore. In some traditions, Shiva has daughters like the serpent-goddess Manasa and Ashokasundari. According to Doniger, two regional stories depict demons Andhaka and Jalandhara as the children of Shiva who war with him, and are later destroyed by Shiva. Iconographic forms The depiction of Shiva as Nataraja (Sanskrit नटराज; Naṭarāja) is a form () of Shiva (literally, "Lord of Dance"). The names Nartaka ("dancer") and Nityanarta ("eternal dancer") appear in the Shiva Sahasranama. His association with dance and also with music is prominent in the Puranic period. In addition to the specific iconographic form known as Nataraja, various other types of dancing forms (Sanskrit: ) are found in all parts of India, with many well-defined varieties in Tamil Nadu in particular. The two most common forms of the dance are the Tandava, which later came to denote the powerful and masculine dance as Kala-Mahakala associated with the destruction of the world. When it requires the world or universe to be destroyed, Shiva does it by the Tandava, and Lasya, which is graceful and delicate and expresses emotions on a gentle level and is considered the feminine dance attributed to the goddess Parvati. Lasya is regarded as the female counterpart of Tandava. The Tandava-Lasya dances are associated with the destruction-creation of the world. Dakshinamurthy (Sanskrit दक्षिणामूर्ति; ) is a form () of Shiva (literally, "[facing] south form"). Dakshinamurthy is depicted as a figure seated upon a deer-throne surrounded by sages receiving instruction. This form represents Shiva in his aspect as a teacher of yoga, music, and wisdom and giving exposition on the shastras. This iconographic form for depicting Shiva in Indian art is mostly from Tamil Nadu. Bhikshatana (Sanskrit भिक्षाटन; Bhikṣāṭana) is a form () of Shiva (literally "wandering about for alms, mendicancy" ). Bhikshatana is depicted as a nude four-armed man adorned with ornaments who holds a begging bowl in his hand and is followed by demonic attendants. The nudity and begging bowl are associated with the kapali tradition. This form of Shiva is associated with his penance for committing brahmicide, and with his encounters with the sages