Omnye wezona zithixo zibalulekileyo Iintsomi zamaGrike es Poseidon. Igama laziwa kakuhle, zikhona iinqanawa ezininzi ezibizwa njalo kwaye sinemiboniso bhanyabhanya eyintlekele (leyo inqanawa ijika kuyo kwaye abasindileyo mabalwele ukuphuma ngenqanawa).
Inyani yile yokuba igama Poseidon inemvelaphi engaqinisekanga. Kukho izimvo ezingqubanayo nangona kukholelwa ukuba eli gama linemvelaphi yangaphambi kwesiGrike, Indo-European. Ngapha koko uPoseidon ngomnye weshumi elinambini Oothixo Olympus amandla akhe ziilwandle. Uhlala emelwe njengendoda evuthiweyo, enemisipha eneenwele ezinde nentshebe.
Ngokutsho kwe Iintsomi zamaGrike UPoseidon ngunyana wesibini kaCronos noRhea kwaye nangona utata wakhe ebonakala ngathi ufuna ukumqwenga xa ezalwa, usindiswa nguZeus. Ke ezinye iinguqulelo zithi, abanye bathi utata wakhe akazange azame nokuzama. Imbali iqhubeka isithi uPoseidon wasala ngaphandle kokuba ngumxhasi waseAthene emva kokuphulukana nothixokazi u-Athena, into ebonakala kwinxalenye yoqhakamshelwano lweParthenon. Jonga xa undwendwela, yenye yeyokuqala ukubona xa ufika.
Kuthiwa ukuba a Poseidon Wayewathanda kakhulu amabhinqa kwaye yiyo loo nto enezithandwa kunye nabantwana abaninzi (nangona wayebathanda namadoda ngandlel 'ithile). Umlingane wakhe wayeyinymph, intombi kaDoris noNereus, kwaye uninzi lwabantwana bakhe babengamaqhawe amakhulu - njengoLesus, umzekelo.