Many of their victims have been left with life-changing injuries, lasting trauma or have tragically lost their lives.
Courts in Preston, Burnley and beyond have handed down lengthy prison sentences as judges condemned their actions.
Here are the offenders now behind bars for their shocking crimes:
5. Wayne Baines and Jack Williams
Wayne Baines (left), 32, and Jack Williams, 28, attacked a man with a metal pole in Chorley. Baines was jailed for 18 years, while Williams received a 12-year sentence. | Lancashire Police
6. Neil Baron
Neil Baron, 58, left a man with a bleed on the brain after a pub attack in Blackburn. He admitted grievous bodily harm and was jailed for 12 months. | Lancashire Police
7. Jack Slaven
Jack Slaven, 32, wrestled a teenage girl to the ground in Kendal before attacking police officers. He admitted attempted robbery and assault and was jailed for five years with a three-year extended sentence. | Cumbria Police
8. Dylan Culshaw
Dylan Culshaw, 27, attacked a man in Accrington, kicking him unconscious and causing a fractured skull, brain bleed, and broken ribs. He was jailed for ten years. | Lancashire Police