The mother of Sephiroth and Hojo's lover and in some cases wife. Her full name is Lucrecia Crescent.
Originally she worked as a partner for Grimoire Valentine, but ran away after feeling she was to blame for his death. After this event she also shunned Vincent, his son who fell in love with Lucrecia.
Lucrecia was asked to do a job in Nibelheim, which she took finding it as a way out of the guilt and having to face Vincent. This was not to be, after he took a job as a bodyguard to protect the sicentist, including her.
Eventually after Vincent confessed his love, Lucrecia couldn't bare it. She pulled away and ran to the warm embrace of Hojo, who she stayed with.
She later became pregnant with Hojo's child and was one of the first people to be injected with JENOVA cells. After suffering many faints and collapses she gave birth to Sephiroth, only she never got to hold her child once.
She later disappeared, only to be found again later in the game in the secret waterfall area. After being told by Vincent that Sephiroth is dead she seals herself in a giant Mako Crystal, due to sorrow and the fact she cannot die because of the JENOVA cells.
In Dirge of Cerberus, Lucrecia is seen as the saver of Vincent, experimenting on him and making his body less human by inducing Mako into it and Chaos.
Vincent: ...... Lucrecia. The woman who gave birth to Sephiroth.
Cloud: ...gave birth...? Wasn't Jenova Sephiroth's mother?
Vincent: That isn't completely wrong, but just a theory. He was born from a
beautiful lady. That lady was Lucrecia. She was an assistant to Professor Gast
of the Jenova Project. Beautiful Lucrecia.
Lucrecia: I wanted to disappear... I couldn't be with anyone... I wanted to
die... But the Jenova inside me wouldn't let me die... Lately, I dream a lot of
Sephiroth... My dear, dear child. Ever since he was born I never got to hold
him, even once... Not even once. You can't call me his mother... That... is my
One of the greatest Final Fantasy VII characters and father to the amazing first class Soldier Sephiroth (not Vincent to all the annoying Vincent fans, HOJO!).
In the game he was originally the head of the science department, this changed when his luck changed and he left, ending up in Costa Del Sol.
Sadly in the third disc of the game Hojo is defeated by Cloud and the gang Hojo disappears. Though he has JENOVA cells in him, it is confirmed later in a novel about Aeris that Hojo died, never to return as he gave all his energy to Sephiroth in the final fight.
His memories and partial self return in Dirge of Cerberus when we learn that he downloaded his mind and memorise into a computer. These later ended in Vice(there are alternate name spellings) who became the host of Hojo's superior mind. This again sadly ended when Vice kills himself.
Hojo is famous for his experiment on Lucrecia, who was his lover (said on some things to be his wife) and his unborn child, Sephiroth. He also was famous for trying to breed Red XIII with Aeris (for different reasons amongst fans XD)
Hojo was also the cause of the great professor Gasts death, shooting him after looking for Gast's wife Ilfana and Daughter Aeris. Hojo was also the cause of Vincent's death, he was later brought back by Hojo also.
Barret: I remembered him. That Hojo guy. He's in charge of the Shinra's Science
Hojo: There's so many frivolous things in this world.
Hojo: Ha, ha, ha... Although he doesn't know. Ha, ha, ha... HA, HA, HA...!!
What will Sephiroth think when he finds out I'm his father? Always looking down
on me like that. HA, HA, HA...!!
Hojo: Heee, hee, hee, hee! No you're wrong! It's my desire as a scientist!
Heee, hee, hee, hee! I... was defeated by my desire to become a scientist. I
lost the last time as well. I've injected Jenova's cells into my own body!
Heee, hee, hee! Here are...... Heee, hee, hee! ...my results!!