Avocato's past is marked by his service as a loyal enforcer for the tyrannical Lord Commander, a role that he eventually rebels against. Driven by a desire to rescue his son, Little Cato, from the clutches of the Lord Commander, Avocato joins the crew of the Galaxy One, showcasing his unyielding determination and bravery. Despite his tough exterior, Avocato is defined by a heart of gold and an unwavering loyalty to his friends, especially to his beloved son Little Cato.