What's with all these avators? Somebody please tell me what they mean and why everyone seems to have them?

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Charlie Charlie Over And Out


My New Grow Log Noobs take a look at everything that can go wrong here!
http://boards.cannabis.com/grow-log/...-problems.html

My Avatar is for my Puppies. In loving memory of Angel and MJ whose lives were cut far too short just for doing their job far too well. They are deeply loved, mourned and missed. I will love you guys always and forever.