Lets see here...HMMMMMMM: 

Twins: 

Springtrap: dog person

Silhouette: cat person

Springtrap: loves gore, murder and zero mercy

Silhouette: fights only for justice

Springtrap: tries to murder Bradley

Silhouette: cherishes the nerd X3

Springtrap: has a demon

Silhouette: has a darkside

Springtrap: loves his purple

Silhouette: loves his Blue X3

Springtrap: superstitious but doesnt care...

Silhouette: superstitious but cares......

Springtrap: police officer

Silhouette: Child Protection Services

-HMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM- 

Are they even twins???

selena: yes...i pushed THEM OUT OF ME on the first of  April

Michael: :') my beautiful bois

Springtrap: DAD STAHP

Silhouette: i like it X3