A rare radioactive gas that, when inhaled, makes someone a super-accomplished singer, just like how Peter Parker's radioactive spider-bite gave him Spider-Man's amazing powers.
John claims to be a great vocalist due to his having breathed Trittium, but In reality he's a moron who can't even sing on-key, so I think that --- if anything --- he may have breathed a healthy dose of "twittium" while he was growing up.
by QuacksO May 06, 2019