Carlo Hesser is a fictional character from the ABC daytime soap opera One Life to Live.

Viki, unable to walk or speak, realizes that Tina's life is in danger; her long-dormant alternate personality Niki Smith emerges.

She accepts the blame and goes to jail for seven years to protect her young son Al Holden from Carlo's wrath.

With the promise that she will be released, Alex uses her government connections to uncover evidence of Hesser killing an undercover federal informant.

Alex bribes Wilma to keep her plan in motion, but the police discover that "Carlo" is alive and intend to hunt him down.

Carlo admits to faking his death at Stephanie's hands, and spending the previous four years building up his now-international crime syndicate by selling arms to the terrorist group known as "the Men of 21."

But Carlo soon resumes his vendetta against the Buchanans and their loved ones, enlisting local criminal R.J. Gannon in his plot.

Carlo manages to drive Asa's company to near-bankruptcy and hires a hypnotherapist in a failed attempt to program Viki to kill her own son Kevin Buchanan.

[1] Fleeing a kidnapping charge for having ex-wife Blair Cramer abducted and thrown into a mental institution, Asa tracks down Carlo in Argentina in 2005.

[1] On June 26, 2008, Llanview police officer (and Antonio's girlfriend) Talia Sahid inexplicably aids Jonas Chamberlain, the sinister U.S.

[4] Soon Antonio and Cristian discover that Jonas has both women;[5][6] they and Sarah's mother Tina Lord – who had been posing as the Crown Princess of Mendorra[7] – agree to accompany Jonas back to Mendorra in order to make an exchange: Sarah and Talia for the Crown Jewels which Tina has in her possession.

[14][15] Antonio, Sarah and Cristian later return; they drug Carlo and Jonas and stage them in bed together, and Talia leads a team of reporters to "discover" the scene.

[16][17] Cristian is kidnapped from an airport the group is connecting through; he awakens to find himself a prisoner on a cargo ship, with Carlo there gloating.