Tsundere as a concept is not strictly limited to women, and is not strictly limited to manga or anime. The character Germany from the series Hetalia: Axis Powers is portrayed as being tsundere, and is paired with a "lovable loser", Italy Venezia

After spending endless hours of research with Google-sensei on the topic of tsunderes, I have become enlightened and have reached the tsundere equivalent of Nirvana; Tsunirvana, and I'm the Tsunddah. I am here today to spread the message of tsundere,

Learning how to care for your hair is important for being a tsundere. Greasy, knotted hair just makes you look less like a tsundere, and more like a rabid otaku. It's common for tsundere girls to have long hair, sometimes pinned up into "twintail