John, Paul, George, and Ringo😭

4 happy deadly snakes

Rob, Bob, gob, and Jerry

Smart but dumb

Basilisk⁴

Jim Jim Jim and Jimmy

Ghidorah (Add-king-in-the-front-if-you-want-from-godzilla king-of-the-monsters)

1 shared brain cell

Lernie (Hydra from Hades)