I think this selection of pictures reinforces my contention that the Germanic tribes were more invaders than simple immigrants. Most of these show them in some sort of conflict, attacking and attempting to destroy the municipal and culture heritage of centuries of Roman civilization. Good times!
Franks creeping up on a Roman sentry - 4th cent. AD
Burgundians - 4th cent. AD
Vandal and Alan in North Africa - 429 AD
Visigoth in Italy - 5th cent. AD
Visigoth (mounted, left) vs. Ostrogth (mounted, right) - Battle of the Catalunian Fields - 451 AD
Ostrogoths attack near the Masoleum of Hadrian, Rome - 537 AD