Angel was born in 1727 to a moderately wealthy family in Galway, Ireland under the birth name Liam. His father was extremely strict, which led Liam to become a ne'er-do-well layabout out of rebellion. In 1753, at the age of 26, a heated dispute with his father caused Liam to renounce his family and leave home.
He became a vampire in, 1753 in Galway. He meets a lady, Darla, in a dark alley and begins to talk to her. He asks her to show him her world, which she does by biting him and turning him into a vampire like herself. With her bite, he was granted eternal life as a vampire and sired into the historied lineage of The Order Of Aurelius. The patriarch of this "family," the Master, is one of the most powerful vampires of the past millennium. The Master originally sired Darla when he discovered her in North America's Virginia Colony in 1608, dying from the syphilis she no doubt acquired through her profession as a prostitute.
Wasting no time getting his bearings, Liam headed straight to his family's home, with Darla in tow. His next victim was his younger sister Cathy, who thought he had returned as an "angel." He then made short work of his parents, taking pleasure in their demise. But, as Darla was quick to point out, the memory of his father's disapproval would haunt him forever.
For the next several years Liam, now known as Angelus, "the one with the angelic face," maimed and murdered everyone he
had ever known and cared for. With his lover Darla, he cut a swath of destruction through South Wales and Northern Ireland. In 1760, Darla decided it was time for Angelus to meet his grandsire, the Master.
Upon entering the Master's lair beneath the streets of London, Angelus took an instant disliking to the intimidating vampire. Showing a dangerously cocky level of disrespect, Angelus insulted the Master and gave Darla the invitation to continue living with him in the open air, rather than dwelling with her sire in a dank subterranean fortress. For the second time in his life he renounced his "family," and was lucky enough to have the Master permit his freedom out of respect.
The two lovers continued their violent conquest of Europe, tearing through Italy, but finally finding resistance in France. In 1765, a cunning vampire hunter named Holtz pursued them across the French countryside with a hostile mob as his army. When the weary vampires found their barn hideout surrounded, Darla stole their only horse and left Angelus to be slain. As an afterthought, she instructed him to meet her in Vienna someday if he made it past Holtz' militia.
For the latter part of the 1700's, Angelus became even more brutal and twisted in his barbarous onslaught. He took to carving a Christian cross in the left cheek of his victims as a gruesome trademark of his attacks. It was during this period that he sired a man named Penn, who emulated his creator and turned up in modern day Los Angeles as "The Pope Killer."
By 1860, Angelus had returned to England with Darla at his side once again. It was there that she introduced Angelus to Drusilla, an innocent young woman who was gifted with the ability to see the future. Angelus decided to make Drusilla his special toy and began to ruthlessly dismantle her sanity. He posed as a priest and told the na´ve young lass that her visions were the work of Satan, from whom she was spawned, and there was no hope for her soul but to give in to evil and fulfill the Lord's prophecy. He then went to her home and slaughtered her entire family in front of her.
Drusilla was able to escape to a convent on the countryside where she would attempt to become a nun to help cleanse her
soul of the horrors she had experienced. But Angelus caught up to her and, on the day she was to take the veil, he descended upon the convent and massacred every last nun. Afterwards, he made love to Darla in front of the quivering, now- insane Drusilla and then sired his conquest into vampiredom.
The three savage vamps traveled to Budapest, among other regions, and in 1880 found themselves back in England butchering mortals in the streets of London. By this time, Drusilla began to thirst for the intimate companionship that Darla and Angelus had and so decided to find a man to share eternity with. Her quest ended quickly when she spotted a skinny, insecure poet named William. Drusilla sired the easily-seduced outcast, and he was resurrected as the vampire known today as Spike.
After becoming well acquainted with each other, Angelus, Darla, Drusilla and Spike set up camp in Yorkshire, where they hunted as a disciplined pack. Although they were experiencing blood-drenched prosperity under the leadership of Angelus, Spike's brazen attempt at gaining notoriety drew too much attention to the crafty predators, and they were forced to move on.
By 1898, Angelus, Darla, Spike and Drusilla had brought their whirlwind of slaughter to Borsa, Romania. It was on a fateful night during that year that Darla gave Angelus a young Gypsy girl to kill for his birthday. The girl turned out to be the favorite daughter of a Romany tribe called the Kalderash clan. The enraged tribe elders put a vengeance curse on Angelus, which restored his soul and forced him to live in anguish over the acts he had committed as a vampire. Darla, Drusilla and Spike attacked the Gypsy camp and slaughtered the entire tribe to avenge their fallen leader, but the damage had already been done. Upon regaining his humanity, Angelus deserted his comrades and attempted to redefine himself.
Angel first laid eyes on Buffy in Los Angeles and followed her to Sunnydale when she and her mother moved. In 1997, he began to help the slayer by delivering cryptic advice about demonic activity.
Although the forces of good and evil separated Buffy and Angel, fate brought them back together. As they became deeply enamored with one another, they decided to consummate their love on Buffy's 17th birthday. What they didn't know was that the Romany curse was predicated on Angel remaining tortured. Upon experiencing a moment of true happiness, the curse was lifted and his soul removed once again.
Angel quickly became the scourge of Sunnydale and did everything in his power to torture Buffy. After killing one of Buffy's allies and nearly claiming her other friends, Willow was able to re-cast the Romany spell and return Angel's soul to him for the second time. But fate again made a radical turn and, moments after he regained his soul, Buffy was forced to impale Angel to seal the gateway to hell he had opened. Angel was returned a few months later, but he had spent the equivalent of over 100 years being tortured in hell. In time, he was able to recover his sanity, but his psyche would never fully heal. He knew that as long as he remained a vampire, his relationship with Buffy would never work, so he left Sunnydale and moved to LA to forget about Buffy and start a new life.
He has started his on business called "Angel Investigations" where he helps the helpless, trying to right all his wrongs. Wesley, Cordelia and Gunn work for him.