Many types of Youtube commenters, such as,
Angryer- "I hate this, it sucks"
Defensiver- "Shut up, this is a great vid"
Normaler- "I like this video"
Suggester- "you should've done that"
Joke Suggester- "Use gasoline next time!"
Timer- "Oh, 2:58!"
Loller- "haha lol"
Randomer - "I like yoghurt"
Boring Facter- "This was filmed in May"
Strong believer- "Its...genre...Church"
Nice Replier- "yeah, dude i agree"
Nasty Replier- "Yeah, like u would know!"
Egotisticaler- "I could so do this"
Attentioner- "Hey check out my vids!"
ChainMailer- "Hey, this really works! Paste this to ten people or a little girl will creep into your bedroom...."
Porner- "Cheryl, gets a*s f*cked! ANALTUBE.COM"
Character copyer - "This is Bob, paste bob to seven different videos to help him take over Youtube"