Eiger is translated as Ogre, Mönch as Monk and Jungfrau as Virgin (or Maiden). The Junfrau is the highest at 4158m, then the Mönch at 4099m and the Eiger at 3970m, though it's the Eiger that has all the climbing lore associated with it in general and it's north face, or Nordwand, in particular.