JACKSGAP!

Jacksgap is one of my favorite youtuber. mweheh:3, This channel started only jack harries's gap year, but in the mean time he invited his brother finn harries. Their channel has 2 million subscribers. Finn is his twins, finn is the older brother which is two minutes older.

Macbarbie07

Well.. for this one I don't really have something to say. Her videos is about fashion and now she have 3 million subscribers on youtube.
Some of her fashion:

PewDiePie

Felix Arvid Ulf Kjellberg as known as "pewdiepie" is swedish and born 24 October 1989. PewDiePie started his youtube career by posting a video about him playing video games. His video can help a viewer who play the game pass through some levels. His gaming video is funny and everyone watch them. As of september 2013, Felix has over 13 million subscribers. In august 2013 his channel became the most subscribed channel on youtube. He won Starcount Social Star Awards 2013 and Shorty Awards because of his youtube career. Felix has a girlfriend name Marzia, she also own a youtube channel called CutiePieMarzia. 

nigahiga

Ryan Higa is an American Youtube celebrity. Ryan Higa was born in Hilo, Hawaii on June 6, 1990. The nigahiga YouTube channel was created on July 20, 2006 by Ryan Higa, Sean Fujiyoshi, Tim Enos, and Tarynn Nago (known collectively as "The Yabo Crew"). By December 21, 2010, it had reached 3 million subscribers.  As of September 2013 Higa's YouTube channel, Nigahiga, has over 10 million subscribers.In 2012, Higa helped form the YOMYOMF Network, which hosts the online video-making talent competition, Internet Icon.

VidCon is the largest gathering of the online video viewers, creators, and industry representatives worldwide, drawing thousands of attendees representing billions of online video views.
 Pictures Vidcon 2013: 

Marcus Butler & Caspar Lee

Alfie Deyes, Jim Chapman, Joey Graceffa, Louis Cole, Marcus Butler, Tanya Burr, Tyler Oakley, Zoella, iJustine
itsmejennae.

Finn Harries(jacksgap), Lohanthony

iJustine

Justine Ezarik is one of the famous funny Youtuber. She was born March 20, 1984. She is better known as iJustine, She has over 2.500 videos in 5 of her youtube channel. She grew up at Pittsburgh, Pennsylvania. In december 2005 she was one of the 5 finalist in "Yahoo! Talent Show", a yahoo sponsored competition for best online videos. Justine appeared in several TV shows such as The Vampire Diaries and Law&Order. May 29, 2007 Justine started transmitting her life via internet.