All vedic gods like Ram, Vishnu, Brahma, Ganesha are imaginary concept as per ASI.
Siva is derived from Samanar gods, who was renamed from nude gods of Samanar. Samnar is religion of dravids which is somewhat related to Jainism of dravidian form. See indus valley civilization and google "vedic horseplay" for more details on blunder of history by brahmins.