Gagnráðrs
Gagnráðrs is a figure mentioned in Norse mythology, appearing in the Poetic Edda, specifically in the mythological poem Vafþrúðnismál. In this poem, the god Odin, disguised as the wanderer Gagnráðr, engages in a wisdom contest with the jotunn Vafþrúðnir. The name Gagnráðr itself can be interpreted as "good counsel" or "effective advice," fitting for Odin's role in this exchange.
The contest takes place in Vafþrúðnir's hall, where the stakes are high: the loser forfeits their head.
The encounter culminates when Odin poses the final, crucial question to Vafþrúðnir: what did Odin whisper into