Throughout the series he is seen wearing various disguises and has been shown in different styles for gags.
He is a kind and good-hearted man but he always ends up alone, sad and miserable. He treasures them as the only thing he could hold on to after losing his job and his wife left him.
His eyes are rarely shown, and he is often seen smoking. Like Shinpachi, many of Hasegawa's friends stated that Hasegawa's sunglasses are more Hasegawa than Hasegawa himself.
The word bears many different meanings, but they are basically shortened Japanese phrases. ' That Madao's so old-fashioned.' 8.