Helena is a superhuman, which means that she is half Human and half Irken. She was born from her human mother named Ursula. Her dad is an Irken named Lard. Her utama planet, Haloweentasia, was destroyed sejak an evil alien group called the Fireans. Fireans look like red-skinned Irkens, but they don't have PAKs atau antennaes. Helena's parents both died, so Helena had to stay with her cousins Kat&Tak. Kat is a blue-eyed Irken. Outside of plant Irk she grows hair, but inside of the planet her hair sinks inside her hair and antennaes tunjuk again. Kat and Helena both dislike Tak so they sneaked out at night and flew to Earth in Kat's parents spaceship. On Earth Kat&Zim has been going out and they also got married. Helena and Purple dated for a long time and then they got married.