original: puckian craters are named after mischievous spirits in european mythology .
simplifications: puckian craters were named after spirits in european mythology . puckian craters are named after european mythology 's mischievous spirits . puckian craters often derive their names after mischievous spirits in european mythology . puckian craters are named after bad spirits from european mythology . puckian craters are named after naughty spirits in european myths . puckian craters are named after silly spirits in european mythology . craters known as puckian craters get their name from naughty spirits that existed in european mythology . puckian craters are named after mischievous spirits in european mythology .