Because you like GLaDOS in Portal Series
Handsome Jack is wearing a mask of his own face to hide his scarred real one. See them in Borderlands Series.
Illiterate and oblivious, Crash Bandicoot is still a hero. See them in Crash Bandicoot.
A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..
Prideful and psychotic tendencies combine to make Dr. Eggman a dangerous and villain who will squash anyone in his path. See them in Sonic the Hedgehog.
Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.
Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.
Emma Frost's superpower: transforming her body into an unbreakable diamond. See them in X-Men Series.
The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.
Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.
As the hero of time, Link is reborn throughout history, always with the purpose of fighting and defeating the evil Ganon. See them in The Legend of Zelda.
Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.
When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.