Caecina revelled more freely in plunder and bloodshed
His Book I Chapter 67: Revolt of Vitellius. The Helvetii

An overbearing, foreign-seeming man, of gigantic stature and always dressed in trews and sleeves, after the manner of the Gauls, whilst he conversed with Roman officials and magistrates.
Plt Otho Chapter 6: Otho versus Vitellius; the siege of Placentia