Mall gunman: 'I have lived one crazy life so far'

NEW: Gunman's mother died at childbirth; he never met father, friend says NEW: He was an 'outgoing' skateboarder in high school, another friend says NEW: He told a friend he left aunt's home at age 14 and raised himself Jacob 'Jake' Roberts uses edgy, dark humor on his Facebook page

(CNN) -- Intended or not, the central image on the Facebook page of Jacob "Jake" Roberts, the Oregon shopping mall gunman, is haunting.

A "Follow Your Dreams" slogan painted on a wall is stamped "Cancelled" in red.

He makes an attempt at humor.

"Hey what's up guys my names Jake and I'm an alcoholic... Lol just kidding," Roberts wrote in the first line of his introduction, which included grammatical errors. "If you were to ask someone that knows me they would probably say that I am a pretty funny person that takes sarcasm to the max.

Read more: Oregon mall shooting victims remembered

"I'm the conductor of my choo choo train," he continued. "I may be young but I have lived one crazy life so far."

Authorities have released a photograph of Roberts, 22, who wore a hockey-like face mask and opened fire on holiday shoppers Tuesday at the Clackamas Town Center in Happy Valley, Oregon, near Portland. He killed two people and then himself.

The photograph of Jacob Tyler Roberts depicts a thin chin beard and gauge earrings embedded in both lobes. Black, wavy hair frames a half-smile.

.cnnArticleGalleryNav{border:1px solid #000;cursor:pointer;float:left;height:25px;text-align:center;width:25px} .cnnArticleGalleryNavOn{background-color:#C03;border:1px solid #000;float:left;height:25px;text-align:center;width:20px} .cnnArticleGalleryNavDisabled{background-color:#222;border:1px solid #000;color:#666;float:left;height:25px;text-align:center;width:25px} .cnnArticleExpandableTarget{background-color:#000;display:none;position:absolute} .cnnArticlePhotoContainer{height:122px;width:214px} .cnnArticleBoxImage{cursor:pointer;height:122px;padding-top:0;width:214px} .cnnArticleGalleryCaptionControl{background-color:#000;color:#FFF} .cnnArticleGalleryCaptionControlText{cursor:pointer;float:right;font-size:10px;padding:3px 10px 3px 3px} .cnnArticleGalleryPhotoContainer cite{background:none repeat scroll 0 0 #000;bottom:48px;color:#FFF;height:auto;left:420px;opacity:.7;position:absolute;width:200px;padding:10px} .cnnArticleGalleryClose{background-color:#fff;display:block;text-align:right} .cnnArticleGalleryCloseButton{cursor:pointer} .cnnArticleGalleryNavPrevNext span{background-color:#444;color:#CCC;cursor:pointer;float:left;height:23px;text-align:center;width:26px;padding:4px 0 0} .cnnArticleGalleryNavPrevNextDisabled span{background-color:#444;color:#666;float:left;height:23px;text-align:center;width:25px;padding:4px 0 0} .cnnVerticalGalleryPhoto{padding-right:68px;width:270px;margin:0 auto} .cnnGalleryContainer{float:left;clear:left;margin:0 0 20px;padding:0 0 0 10px} Emergency vehicles gather outside the Clackamas Town Center mall after a gunman opened fire, killing two people on Tuesday, December 11, in Clackamas, Oregon. The shooter died on the scene from a self-inflicted gunshot, said Lt. James Rhodes of the Clackamas County Sheriff's Office. The Clackamas Town Center mall is filled with emergency vehicles and law enforcement. Memebers of a SWAT team take position outside the mall. Lt. James Rhodes of the Clackamas County Sheriff's Office works with other responders in the parking lot of the mall. Panicked customers rushed to the exits when the gunman opened fire. Some people huddled behind store counters and hid behind racks of clothing. Authorities closed entrances and exits in the mall parking lot, said Lt. Gregg Hastings of the Oregon State Police. A law enforcement officer talks to people waiting outside the mall. Gunman opens fire in Oregon mall Gunman opens fire in Oregon mall Gunman opens fire in Oregon mall Gunman opens fire in Oregon mall Gunman opens fire in Oregon mall Gunman opens fire in Oregon mall Gunman opens fire in Oregon mall HIDE CAPTION << < 1 2 3 4 5 6 7 > >> Gunman opens fire in Oregon mall Oregon mall shooter's killing path Macy's employee on Oregon mall shooting Survivor of Clackamas Mall shooting

One of his Facebook friends, Brittany Curry, 21, told CNN she dated Roberts for five months last year. They met through mutual friends in the Portland area, she said.

"I am in shock. I don't know what to feel," Curry said in a telephone interview. "He was really a good guy. He was really happy. He put everybody before himself."

Roberts owned one gun, Curry said, but she didn't want to elaborate.

His Facebook page lists "shooting" as one of his 10 interests, along with camping, sleeping, rafting, BMX, sushi and spending money.

Read more: Details, but no answers, in Oregon mall shooting

Roberts told Curry that his mother died at childbirth and he never met his father, she said. He left his maternal aunt's home at age 14, Curry said.

"He raised himself," Curry said. "He was doing it all on his own."

A friend from high school, Jordan Salazar, said she understood that Roberts' parents were not present in his life. He was a skateboarder back then, she said.

"In high school Jake was a nice guy, outgoing," Salazar told CNN.

"I saw him a few times in the last year. He seemed normal" and a "good guy," she added.

Roberts valued his friends, Curry said.

Roberts wrote on his Facebook page: "My friends are my family and I don't think that will ever change. I have done a lot for myself in the past year some good and some bad but I still press on.

"I like hanging out with my friends and having a good time maybe get a little drunk every now and then. I like to think of myself as a bit of an adrenaline junkie... Yup that's right I'm a junkie lol. But I'm just looking to meet new people and see the world," Roberts typed.

When they were dating, Roberts was living in an apartment across from the Clackamas Town Center mall, Curry said.

Roberts wanted to be a firefighter and was taking classes at Clackamas Community College, Curry said.

"It was always his dream," Curry said.

In the meantime, he had been working as a cook at Big Bertha's gyro eatery in Portland for more than two years, Curry said.

About that job, Roberts commented on Facebook: "Right now I work at the most badass gyro shop in town. I am one of the few people that can say I love my job and actually mean it."

Read more: Inside Clackamas Town Center Mall