A yandere is a stalker, sometimes violent. Yanderes become very possessive of the person they are stalking.

Japanese slang for bipolar. A yandere character usually have a lot of mood swings. They have a nice side and an evil side, kinda like ying and yang, white and black... those kind of stuff. They quickly change from the nice side to the evil side, and repeat again and again. It is more often used in anime/manga. There is often another character, usually can be stiff as a board easily, who is normally the 'victim' of the yandere character's evil side.

A person (particularly female) who is romantically obsessed with an individual, most likely will use violent means to get the individual to love them and only them.

These individual’s suffer from low self-esteem and have Borderline Personality Disorder.

Yandere is effectively the opposite of tsundere, referring to a character that starts out kind and loving but ends up cold.

A developer who gets a game idea that interests a lot of people then when he's earning thousands of dollars of his supporters. Only makes progress once every 3 months.

A senpai loving murderous freak. She will do anything for her senpai even if it means cutting someone in half with a gardening saw.

The epitome of how not to develop a video game.