The 38-year-old was convicted last month by a Dutch court.
The court gave him the maximum possible sentence, calling his behaviour "astonishing.''
Amanda Todd brought cyber bullying to mainstream attention in Canada and around the world in 2012.
The Canadian Press
The meme includes images of Amanda Todd, actor Robin Williams and rocker Kurt Cobain.
The court had pledged to forge ahead on Friday, saying any further delays would be difficult on the alleged victims.
"Today the court said you had chances enough."
"When people realize that it's a solvable problem they won't put up with it anymore."
The Port Coquitlam teen committed suicide in October 2012 after posting a video on YouTube, in which she said she'd been blackmailed by an online predator.
Canadian officials are trying to extradite Aydin Coban to face criminal charges in B.C.
The Canadian Press
Amanda Todd challenged her online stalker in a conversation she had with the Dutch man alleged to have extorted her online, a Facebook security report obtained by CBC's the fifth estate shows. I...
An investigation by CBC's the fifth estate and Dutch news program Zembla has found that police in the Netherlands were alerted to the online activities of the man eventually charged in the extortion o...
Dear Amanda, Happy 18th birthday, honey! I have to say that although each day and year passing that you are gone it has been hard but this year seems to be harder than the others. This year will be more contributions to your legacy that will have impact. This is your graduating year. An event that you talked about and looked forward to since you were in grade school.
MLADEN ANTONOV via Getty Images
VANCOUVER - A Dutch man accused of surreptitiously capturing webcam footage of British Columbia teen Amanda Todd, as well as dozens of other victims around the world, won't necessarily have to wait un...
I am sure many around the world have read the headlines. Never in my wildest dreams would I have ever thought that Amanda's alleged perpetrator would be found in the Netherlands.