Thought I should post some inspiring authors on newgrounds and one person from youtube.
[Keeping everything short and sweet]
Alvin-Earthworm
http://alvin-earthworm.newgrounds.com/

He is the creator of the series SMBZ.
He is a great animator and drawer.

Bigfoot3290
http://bigfoot3290.newgrounds.com/
Great sprite animator.

Short-Factor
http://short-factor.newgrounds.com/
Great Spriter!!!
(Gave me some helpful tips to improve my animating.)

Travis
http://travis.newgrounds.com/
Great animator and collab organizer.
(Also gave me some helpful tips to improve my animating.)

Kirbopher
http://kirbopher.newgrounds.com/
Great visual arts animator and drawer.

araskin500
http://araskin500.newgrounds.com/
Has great voice acting and animation skills. Creator of the Bowsers Kingdom series.

pthouse
http://pthouse.newgrounds.com/
Has great voice acting and animation skills. Creator of the Bowsers Kingdom series.

Lordofthejimmy
http://lordofthejimmy.newgrounds.com/
http://www.youtube.com/user/LordoftheJ immy#p/u/9/-XAUn8h6738
One of the best voice actors I have ever heard. He has many talents, and he is the creator of the Super Mario Guy RPG series on youtube.
(Without lordofthejimmy, My animating days would have been over in 2009.)

Like I said I kept this short and sweet. So check out all these authors and trust me you will not be disappointed. =)