Gamma ray

Doc Bruce Banner, belted by gamma rays, Turns into the Hulk – Ain’t he unglamour-rays! [unglamorous] Wreckin’ the town with the power of a bull, Ain’t no monster, clown. Who is as lovable As ever-lovin’ Hulk? - Hulk! Hulk!

There’s a tongue-in-cheek book titled “Learn Greek in 25 years,” but you’ll be surprised at how straightforward it is to learn the alphabet: those alpha males, beta releases and gamma rays have seen to that.