Toxicus (トクスイクウス Tokusuikuusu) was the original ancestor of the House of Toxicus. He was a master of poison manipulation and potion making, able to generate a variety of poisons and create potions with varying effects. His sacred relic was the Fang of Toxicus.
- Toxicus derives from the Late Latin word toxicus meaning "poisoned".
|Head of the House of Toxicus|| Succeeded by|
Unknown, eventually Euryale the Viper