Mario (Black Belly of the Tarantula)

Mario as the true main antagonist of the italian thriller movie Black Belly of the Tarantula, or La Tarantola dal Ventre Nero. He portayed by Ezio Mariano.

Biography
At first he looks like a blind masseur massaging a girl after him goes away and after the husband comes to her because she thought she was with another and after her husband came there is a masked killer who attacks the girl and paralyzes putting them a screwdriver in the throat paralyzing it and with a knife the crap and she dies shortly after.

The Inspector Tellini investigates and finds that she was one of the killer's blackmail victims. In the meantime, another girl goes into a nightclub and is hit by the killer's screwdriver on her neck, Tellini continues to investigate. A man in the meantime weaving witness escapes from killer and Tellini chases him to the top of the building

and the killer throws the young man out of the top by killing him. After Tellini discovers that the killer is hiding in a wellness center because the killer's first victim was massaging the girl.

Tellini interrogates everyone except the blind massager.

Meanwhile, the killer kills another girl with a screwdriver in the throat.

After Tellini discovers that the killer went to kill Tellini's wife but Tellini and managed to avoid the death of his angry wife savagely kills the killer by losing their senses and is arrested and Tellini's wife saves the hospital for the reason Mario becomes and why his wife underestimated him and he killed her and began killing others and Tellini it stays quiet.