Lagnus the Brave (Ragnus in the English reveal of Puyo Puyo Champions), is a "Light Warrior" from the world of Gaia. He wields the Reactor Blade and serves as a counterpart to Schezo Wegey and his dark magic. He is 17, but a curse causes him to revert to a ten-year-old. He regains his maturity by leveling up (which clearing Puyo allows him to do), but the effects seem to be only temporary. He has a strong sense of heroic justice, but to an extreme fault at times. Although he debuted in Puyo Puyo Sun, his character is greatly expanded upon between the Shin Madou Monogatari novels and Madou Monogatari (Saturn), in which he plays a central role. 

(British accent)