Moving Sloth

Set in a Modern/fantasy world that decides where and what you do in society by having a animal tattoo given to you at birth. the possibilitys wether it be mythical creature or normal is up and down. Mono who is giving a sloth tattoo would put the question, how can he be useful? With things going against him over time he developed a warped sense of a personality that is very weird to abnormal which leads him to having a unhealthy life style. What adveture would await him? Probably non at all because he would be too tried to care.