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Tailtiu: An Irish-Celtic earth-goddess, nurse of Lugh. She raised him until he is able to carry arms.
Taliesin: Click for full discription
Tamesis: The Celtic goddess of fresh waters. Her name survives in the English River Thames and in Tamise, a French name for the Schelde (Scheldt). Taranis: "Thunder". The thunder-god of ancient Gaul, and master of the sky. He may be compared to the Roman Jupiter, although his place in the Celtic pantheon was not as prominent as that of Jupiter in the Roman pantheon. His attribute is the wheel, which could be the symbol of thunder. The Romans described as receiving human sacrifices.
Tarvos Trigaranos (Taruos Trigaranus): The Gallic bull god who is known chiefly from a monument on the Seine (near Paris). Here he is honored along with Esus, Vulcan, and Jupiter.
Tethra: In Irish myth, king of the Fomorians, as well as the sea god and god of the otherworld. He was killed in the first battle of Mag Tuireadh. Since then he rules Mag Mell
Teutates (Loucetius, Rigisamos): Teutates is an ancient Celtic god who was worshipped especially in Gaul. He is the god of war, fertility, and wealth. His name means "the god of the tribe", from the Gallic touta which means "tribe" or "people" (similar to the Celtic tuatha). Teutates is also known under the names of Albiorix ("king of the world") and Caturix ("king of the battle"). Human sacrifices were made to appease him. He is the equivalent of the Roman god Mars.
Tir na n-Og (Tir Nan Og): "The Land of the Young". Another name for Mag Mell Tuatha Dé Danann (Danann): In Irish-Celtic mythology, the Tuatha Dé Danann ("People of the goddess Danu") are the Irish race of gods, founded by the goddess Danu. These gods, who originally lived on 'the islands in the west', had perfected the use of magic. The traveled on a big cloud to the land that later would be called Ireland and settled there. Shortly after their arrival they defeated the Firbolg at the first battle of Mag Tuireadh. In the second battle of Mag Tuireadh they fought and conquered the Fomorians, a race of giants who were the primordial inhabitants of Ireland. The Tuatha Dé dealt more subtly with the Fomorians than with the Firbolg, and gave them the province of Connacht. There was also some marrying between the two races. The Tuatha Dé themselves were later driven to the underworld by the Milesians, the children of the god Mil. There they still live as invisible beings and are known as the Aes sidhe. In a just battle, they will fight beside mortals. When they fight, they go armed with lances of blue flame and shields of pure white. Important members are of the Tuatha Dé are: Dagda, Brigid, Nuada, Lugh, Dian Cecht, Ogma, and Lir. The goddess Danu can also be identified with the Welsh goddess Don
Twm Shon Catti: In the 16th century there was a man named Twm Shon Catti, AKA the Welsh Robin Hood (born about 1530). Known as a villain to most, he is hailed as a hero by most of the locals of the remote village of Rhandirmwyn. Often he hid from the Sheriff of Carmarthen in the slopes of the thickly wooded and boulder strewn slopes of Dinas Hill. The most prevalent of his legends is that he avoided maiming his enemy by placing a well shot arrow that pinned his nemesis to his saddle. Twm's hideout is widely known as a cave that resides in the slopes directly above a rocky gorge through which the Twyi flows at an extremely dangerous pace. To this day the cave is still quite difficult to locate. It is said that he eventually married an heiress and ended up as a squire and magistrate.
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Verbeia: The Celtic goddess of the river Wharfe (North Yorkshire, England).
Vosegus: The Gaulish god of the Vosges Forest in France.
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Yonne (Icaunis): A Celtic river deity.