The Mighty, Vala of Eru

Tulkas was the most warlike of the Valar and the last of them to descend into Arda, coming to the aid of the others when he heard of their war with Melkor. Melkor fled before him, and the Spring of Arda was begun.

After the Two Lamps were erected and the Valar had made their first dwelling at Almaren, Tulkas wedded Nessa in a great feast. Being weary and content he slept, and Melkor decided his hour to retaliate had come.

Tulkas is described as delighting in wrestling and contests of strength and appears as a large red-haired and red-bearded man dressed in black and gold +3 chainmail. He wields no weapon, and rides no steed on Arda. As he cares little about either past or future, he is not a good councilor, but nonetheless a very hardy and loyal friend. Tulkas is a particular friend to mankind among the Valar and will often alert his followers to incursions of evil. He is described as being slow to wrath, but also slow to forgive—for that reason, he was one of the Valar that opposed the release of Melkor. Tulkas also tends to be impatient; before the Awakening of the Elves he urged the other Valar to wage war against Melkor. After the Darkening of Valinor he also hurried Fëanor to take a decision about surrendering the Silmarils.

Tulkas’ normal strength is 25, but he can exceed even this limit.

Mjolnir, Tulkas’ +5 magic hammer, has the following abilities: It does 10-100 points of damage. It can be thrown up to 200 yards, and it never misses when thrown. It returns to Tulkas hand automatically. (If Tulkas throws Mjolnir, that is his only attack in that round.) It can cast lightning bolts at any target within sight, up to a total of 100 dice of lightning bolts per day. It is so heavy that only beings with strength of 25 can even lift it, and requires more than a 25 strength to wield it as a weapon. When Tulkas throws Mjolnir, it trails a lightning bolt behind it, and when it hits, there is a large clap of thunder which affects all beings within 30' as a power word, stun (save vs. magic negates). If any other being uses a lightning spell within 200“ of Tulkas, it will automatically turn and strike the caster, whether the Thunderer wills it or not.

Thor of Norse mythos, and Tempus of Realmspace are both considered aspects of Tulkas