Dugu Yan is his granddaughter. He loves his granddaughter very much as she inherited his Spirit. He is very proud of her and dotes on her. He would do anything to make sure her life is not in any danger.
Shrek Academy Edit
Initially Dugu Bo plans to kill Tang San, but hesitates after he correctly diagnose his condition. Following his 3 tests he becomes convinced that Tang San can cure his sickness. Overtime they become friends, often insulting each other. Tang San is one of the few people Dugu Bo admires and is astonished by his intellect on poisons and antidotes.