Alien hybrids and other lifestates

To make a hybrid sim, you need to press Ctrl Shift C on your keyboard.
Then type TestingCheats On
Enter key
type TestingCheats True
Enter key
Traits.Equip_Trait Trait_OccultAlien_FakeAlien
Enter key
Traits.Equip_Trait Trait_OccultVampire
Enter key

Before you add other occult traits to your sim, you must build up the Vampire Perks.
Stats.Set_Stat RankedStatistic_Occult_VampireXP 1593
Enter key
press Arrow Up key and Enter key at the same time to build up the perk numbers
then select the perks you want.
I reconmend to select the day pobia, guilt drink & lack of slumber weaknesses.

Then type
Traits.Equip_Trait Trait_Occult_WitchOccult
Enter key
Stats.Set_Stat RankedStatistic_WitchOccult_WitchXP 2850
Enter key
press Arrow Up key and Enter key at the same time to build up the perk numbers
then select the perks you want.

Then type
Traits.Equip_Trait Trait_OccultMermaid
Enter key

Warning Don't have bathtubs in your sims residence only showers, it glitches the mermaids.

Oh and have fun with your Hybrids.