The couple attacked by a naked, 300-pound bodybuilder named Ruben Arzu and brutally injured, were released from the hospital on Tuesday, authorities said.

The couple sustained head injuries when Arzu, fueled by steroids and other drugs, attacked them in their California home on Saturday.

According to The Associated Press, 22-year-old Arzu is still in custody at the hospital after it took a crew of four men to restrain the bodybuilder using stun guns and four sets of handcuffs. It is unclear what his condition is at the moment.

Colton police Officer Todd Smith told The AP Arzu will be booked on suspicion of attempted homicide and aggravated mayhem.

Arzu, under the influence of steroids and other drugs, was sitting naked on the front porch of the couple's Colton, Calif. home late Saturday evening when they returned from a party.

The couple showed up at home from a party and he's there in their front yard, naked, Smith told The AP.

Police said Arzu attacked and savagely beat the 36-year-old husband and caused major head trauma.

The wife, 34, ran inside to phone to police and, too, was attacked by Arzu in the incident. Arzu reportedly threw the woman around and caused facial injuries and wounds to the head.

Officer Smith told The AP a neighbor tried to help the couple being attacked but ran back inside when Arzu tried attacking her.

Police said it took four officers, two stun gun shots and four sets of handcuffs to restrain the 300-pound, five-foot-ten-inch bodybuilder from attacking again.

Colton police Cpl. Ray Mendez told The Sun of San Bernardino the man resisted arrest.

While multiple reports reported that Ruben Arzu took steroids and was under the influence of other drugs, Officer Todd Smith did not confirm.

According to the U.S. Department of Justice, anabolic steroids are listed as a controlled substance under the Controlled Substances Act. Without a prescription, it is considered a federal crime punishable for up to one year in prison and possession with intent to distribute is punishable for up to ten years in prison for a first time offender.