Sinu is a cheerful and persistent guy, he is selfless and determined. he is also generous, amidst all of his hardships, he is always seen with a smile that can light up any room. Sinu is known to have a simple ideology of keeping peace upon the street that he grew up in and to protect the girls that raised him. 

After selling himself to Workers to protect Big Deal, Sinu has been a part of the 2nd Affiliate circus, earning the nickname "The God of Combat" and "Shiba Inu" as well.