Sebastian Smith, of no fixed address, and Becki West-Davidson, 30, of Rope Walk, Ipswich, were also convicted of murder.
Earlier in a victim statement read to the court Mr Pooley's mother Samantha Nicholls described her 22-year-old son, who was autistic and had learning difficulties, as “vulnerable”.
Addressing his killers directly across the courtroom, she said they had robbed her of a future with her son.
Ipswich Crown Court
And she told Palmer he was a “violent bully”.
She added: “You had choices that night and you made the wrong ones. You will have to live with the knowledge of what happened.”