Elito Circa, who goes by the Amang Pintor, is known for using his own hair and blood (Type O) for his paintings.
His painting of Pacquiao depicts the different aspects of the boxer's life, including his stint as a singer and his role as a congressman.
Circa also emphasized Pacquiao's religiosity in his painting.
"Kasi 'yung pagiging maka-Diyos, 'yung mapagkumbaba niya, gusto ko 'yun," he said.
Circa added he only uses his blood in painting themes that are close to his heart, like the portraits of his two sons.
"Hindi ko ginagamit sa lahat ng painting ko, kapag mahalaga para sa akin 'yung subject gagamitan ko ng dugo," he said.
The painter also clarified that his work is not for sale.
Whether Pacquiao wins or loses, Circa hopes that the boxer's attitude does not change.
"Sana huwag siya magbago 'pag natalo siya. Ang mahalaga, 'yung personality niya," he said. -- report from Noriel Padiernos, ABS-CBN News North Central Luzon