They look like they may be taking a break from the latest low-budget horror movie featuring either aliens or the un-dead.

But for these people, who are exhibiting at the Venezuela Tattoo International Expo in Caracas, all of the modifications and colourings are real.

These people have had implants, extreme dental work and even dye injected into their eyeballs to make them look as menacing as possible.

The four-day event has seen people travel from across the globe to show their extreme modifications, with implants even to alter the shape of their skulls.

Mary Jose Cristerna, is a Mexican who is better known on the international tattoo circuit as Vampire Woman

Ms Cristerna, pictured, has heavily modified her teeth to fit in her her vampire-inspired image

As well as extreme modification to her face, she offers people the key to hear heart, pictured

This Venezuelan man is known, unsurprisingly enough, as Red Skull. He appeared at the four-day event

Kala Kaiwi, pictured, holds the world record for the non-surgically made stretch earlobes, at 109mm wide

Kala Kaiwi, pictured, describes himself as a body modification artist from Hawaii

Colombian Carlos Dehaquiz, who looks lizard-like, is one of the more normal exhibitors at the event