Charlie Sheen will tell a Los Angeles judge his internet broadcast in which he threatened to cut children's throat was a “piece of fiction” -- and the hell-raising star is likening his new role to Hollywood’s controversial comic genius and raging boozer Lenny Bruce.

“It’s a character in a piece of fiction,” Sheen told RadarOnline.com in an exclusive interview, when told his estranged wife Brooke Mueller is planning to introduce the two broadcasts into evidence as part of their child custody battle over 23-month-old twin sons Bob and Max.

EXCLUSIVE PHOTOS: Charlie Sheen Does a Drug Test for RadarOnline.com at His Home

The embattled Two and a Half Men star added: “Think Lenny Bruce or the Mitchell Bros. It’s part of my shtick.”

Brooke Mueller is taking her fight with Charlie Sheen to the next level.

Mueller and her top legal team will produce evidence -- and seek a court order for her estranged husband's phone records -- to prove that she received an anti-Semitic message from Sheen, RadarOnline.com has learned exclusively.

PHOTOS: Charlie Sheen's Evidence To Prove Brooke Mueller's Back On Drugs

Top lawyers Sorrell Trope and Lori Howe are going to be obtaining cell phone records and evidence that pinpoints the location of Sheen's phone to prove that Brooke didn't send the text message, as Charlie Sheen is claiming, an insider tells us.

Mueller alleged in court papers that Sheen sent her a text message about his manager Mark Burg, stating: "I must execute mark b like the stoopid Jew pig that he is..."

Oksana Grigorieva’s legal team has suffered another blow -- her top family law attorney Allen Shiftman has quit the case, RadarOnline.com has exclusively learned.

He delivered the sudden news to the Russian musician a short time ago.

EXCLUSIVE PHOTOS: See The First Photos of Mel and Oksana In a Passionate Embrace On The Beach

Shiftman, a top Los Angeles family law specialist, replaced Mitchell Jacobs, who resigned last month, citing frustration with some of Oksana’s other legal advisors.

Jacobs had replaced high powered Hollywood attorney Sorrell Trope, who Oksana sacked — after sacking two other firms.

Oprah Winfrey could emerge as a key player in the criminal investigation into Mel Gibson's alleged beating of Oksana Grigorieva.

The Russian musician, 40, filmed a ‘pre-interview’ with the talk-show queen’s producers at her Sherman Oaks, California, home, RadarOnline.com has learned.

PHOTOS: Oksana Grigorieva Has A Mother-Son Movie Date

Los Angeles District Attorney investigators are interested in what Oksana may have said and whether it was consistent with her claims that the Lethal Weapon star punched her twice, while holding their infant daughter Lucia.

Oksana Grigorieva’s legal team is in crisis after her top family law attorney suddenly quit the case before a critical deposition, RadarOnline.com has exclusively learned.

Mitchell Jacobs — a family law attorney who has been a Board Certified Family Law Specialist since 1986 — handed in his resignation on Sunday afternoon, citing frustration with some of the Russian musician’s other legal advisors.

PHOTOS: Oksana Grigorieva Has A Mother-Son Movie Date

It is a brutal blow to Oksana, 40, who is scheduled to be questioned in another deposition on Thursday.

Oksana has claimed her former lover, Oscar winning actor Mel Gibson, punched her in the face while she held their infant daughter Lucia.

Oksana Grigorieva has been handed a legal setback in her ongoing custody dispute with Mel Gibson, RadarOnline.com has exclusively learned.

PHOTOS: Oksana Gregorieva's Broken Teeth

Oksana's mega lawyers, Sorrell Trope and Anne Kiley petitioned to have a new pediatrician appointed for baby Lucia, and Judge Scott Gordon denied that request.

It is the first setback for Oksana's new legal team since formally taking the case.

PHOTOS: Oksana's Bruised Face

Sources familiar with the situation tell us that Oksana wanted a new pediatrician for Lucia, and Judge Gordon didn't think that was necessary, and denied the motion.

Violet Kowal, the Polish porn star who had an affair with Mel Gibson while Oksana Grigorieva was pregnant, has shocking new audio tapes and has emerged as a witness being courted by the two feuding camps, RadarOnline.com has exclusively learned.

Oksana's audio of Gibson's ranting and threats became a national talking point when obtained exclusively by RadarOnline.com this summer.

And now, Kowal has a controversial new audio tape that directly affects the case.

Everything old is new again in the Oksana Grigorieva’s bitter legal battle with Lethal Weapon star Mel Gibson.

PHOTOS: Oksana Grigorieva Has A Mother-Son Movie Date

She recently hired Sorrrell Trope as her new lawyer – but RadarOnline.com is reporting exclusively that she first met with him – and rejected hiring him – the day after failed mediation talks in May.

“Oksana was furious at how she was treated during the mediation,” said a source, with intimate knowledge of the case.

PHOTOS: Oksana Shows Off Her Post-Baby Body

“At the time, she was being represented by Eric George, but after the talks broke down, Oksana met with Sorrell Trope and then celebrity divorce attorney Stacy Phillips.

“Oksana didn’t sign with either of them because she said they were asking for a $20,000 retainer before commencing work on the case.

PHOTOS: Oksana's Bruised Face

“In the end, she told George that she wanted new counsel and he ultimately introduced her to Manley Freed and Marci Levine.”

However, Grigorieva axed Freed and Levine on Monday and appointed Trope to the case, who has represented celebrities including Anna Nicole Smith and Britney Spears.

EXCLUSIVE PHOTOS: Oksana Grigorieva's Broken Veneers

It is the second time that the Russian-born singer-songwriter has changed legal teams during the course of the child custody case.

Grigorieva is seeking to increase the monthly child support payments that she receives from Gibson.

Comment is being sought from Trope.