Below are the character profiles of Sarah Janes worst enemies including the Slitheen, Trickster and Sontarans
The Veil can take the form of humans and control their actions. Androvax was a Veil alien on the run from the Judoon.
The Bane made people drink Bubble Shock. Using this they could take over peoples minds. They also created Luke, to see why a small percentage of people did not like the drink.
The Jeggorabax Energy Entity gets its power from fear. It originally crashed on Earth in 1283, it took the form of the Pied Piper and started kidnapping children.
Eve wasn’t a bad alien. Her ship needed time to repair itself. Eve was a time-sensitive alien sent to Earth by her parents to avoid a war.
The Gorgon was searching for a talisman so it could activate the space portal and open a gateway allowing its people through to invade the Earth
The Graske are from the planet Griffoth, A Graske was seen working for the trickster
The Judoon are intergalactic police. They also work for the Shadow Proclamation as peace keepers.
Kudlak is a Uvodni. He was searching for warriors to help fight a war against the Malakh.
The paint Leonardo da Vinci used to create the Mona Lisa contained an alien organism. When the painting was brought to a museum containing The Abomination – a painting considered too terrifying to be seen, both pictures came to life.
The Slitheen and Blathereen are from Raxacoricofallapatorian, they tried to turn off the Sun and destroy the Earth by draining the world’s energy. The Blathereen wanted to turn the Earth into a farm for the poisonous Rakweed.
Sarah Jane has met the Sontarans 4 times, twice with the Doctor. They are a clone race at war with the Rutan Host.
The Trickster exists outside of time and space. He messed with time allowing the Earth to be destroyed.