A WOMAN who goes by the nickname ‘Poison Ivy’ is encouraging vulnerable men to perform sexually humiliating acts online before ‘encouraging them to commit suicide’.

Hanna, who is from New Zealand and is believed to be 17 years old, says on her Twitter profile that she seeks out “weak” men in internet chat rooms and then rips apart their self-esteem in a bid to make herself “grow stronger”.

9 Hanna, known as 'Poison Ivy', targets and then bullies "weak" men online Credit: Twitter

Her bio states: “I treat all men like s*** because they are weak and they deserve it.

"I bully the weak to make them weaker as I simultaneously grow stronger.”

Now, a YouTube user known only by the pseudonym ‘MarsRPG’, has created a video calling on people to report her and to help “stop the abuse” of dozens of men.

In his harrowing five minute film, which has been viewed over a quarter of a million times, he details her activities.

9 One man called Stewart is seen in floods of tears at his computer after being accused of cheating on her Credit: Twitter

“She encourages guys to do disgusting acts, via webcam on a live screen, like showing their genitals, spreading their butt cheeks on camera and sticking objects up their a**,” the voiceover explains.

“While doing this they shout ‘I love you Hanna!’”

She finds “weak, socially awkward guys who have never had a girlfriend or a social life” and wins their affections.

9 Vulnerable men pose in their underwear and then send Hanna pictures of themselves Credit: Twitter

9 Hanna's fans appear to be of various ages and nationalities Credit: Twitter

The YouTuber believes her purpose is to “extract wealth from them through emotional blackmail” with her ultimate goal “for them to kill themselves for her as an act of love”.

In the clip, a spectacled man called Stewart films himself in his bedroom making a heartfelt declaration to Hanna.

He looks happy, smiling widely and blowing kisses at the webcam, as he expresses his love.

However, in the next scene he looks distressed as he breaks down in floods of tears at his computer screen.

9 Hanna targets men through internet chat rooms and tries to win their trust Credit: Twitter

The voiceover explains that he sent an innocent tweet to another girl – something that Hanna doesn’t allow – and now he has been accused of cheating on her.

Another section of the video shows Stewart, who appears to be of Asian descent, sitting at a desk.

Hanna pleads with him to shave off his hair, his beard and then his eyebrows.

He is tentative about it, saying he doesn’t have a razor and it will hurt, but she encourages him so much that he ends up doing it.

Afterwards, he asks her if she likes his new look. She remains silent for a couple of minutes before giggling and then saying no.

In a separate film, he puts his head down a toilet after being told to do so.

“She targets sad, lonely guys,” the voiceover says. “This girl will not stop until these guys kill themselves. She grooms them for months. We need to report her.”

It is not yet known if anyone has committed suicide for her, however in August Hanna posted a number of tweets that implies this is her aim.

9 Hanna hails from New Zealand and is believed to be approximately 17 Credit: Twitter

She wrote: “Romance is very stupid and everyone always breaks up in the end, or it ends some way or other.

“And the only way to do is properly is for a couple to suicide together, because that way they will have been together forever, as they surely promised each other.”

Hanna, who appears to be of Asian descent, has over 900 followers on her Twitter account and regularly tweets both praise and criticism for her actions.

9 Hanna posted this harrowing tweet in August Credit: Twitter

9 Critics believe she is encouraging young men to commit suicide Credit: Twitter

She also shares photographs of her devoted fan base, some of which are close-up selfies while others are shots of them in underwear, with her name scrawled on their foreheads.

It is not clear where in the world the men are from – they are encouraged to direct message her pictures – but they appear to be a variety of ages and nationalities.

Stewart, who goes by the Twitter name ‘Trance Music’, claims to be her real boyfriend and states he has been dating her for six months.

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Sharing a photograph of himself in a ‘My heart belong to Hanna’ T-shirt, he wrote: “Happy 6 months anniversary to my sweet, beautiful baby @PoisonIvyLul, I love you so much!” – alongside five heart emojis.

In Hanna’s Twitter profile picture she has his named etched on her forehead.

However, it transpires that the pair are yet to meet in real life and some worried followers have urged him to stop contacting her.

9 Men write Hanna's name on their foreheads or on notes and send photos to her Credit: Twitter

A Reddit thread has also been set up to raise awareness of her acts.

It states: “This complete psychopath is manipulating dozens of young men into committing degrading and publicly humiliating acts, with the ultimate goal being getting them to commit suicide.”

One contributor wrote: “It’s just really sad. Feel so depressed now, imagine their head space allowing themselves to think that they are that worthless.”

Another added: “This is just all around sad. It’s sad that these men are in such positions that they don’t care as long as they can talk to a girl, and it’s sad that this girl does this… there must have been something f***** up about her childhood for her to be like this.”

Hanna has since had her Twitter account suspended.

Meanwhile, a British student has also spoken out in support of her.

Speaking to The Sun Online, the 22-year-old, who wishes to remain anonymous said he degrading acts are just “play” that men do to try and “impress” her.

He added: "She is extremely intelligent and has a great sense of humour. We used to chat fairly regularly but things have died down a bit.

“We talk about anything really, but often about the drama around her. She has never asked me to do anything I didn’t want to do.”

If you have been affected by any of the issues in this story please contact the Samaritans on this free phone number, 116 123 (UK) or email, jo@samaritans.org.