Hellowie!
Those are fantastic! I love the style. Personally, I wouldn't say they were "Chibi" but they are brilliant anyway. 
Keep up the good work. If you ever need practice, I'm sure one of my characters will be happy to pose for you. 
The Rot Hood.
Great stuff!
Don't ask me about joining Honourable United, I'm lazy. Ask Captain Cathode.
http://www.onthejazz.co.uk/honu/
"If I had a punch, I would so hit that guy." - Millenium (because drinking nail varnish remover is for real men)
Heres a couple of chibis of my characters as drawn by my daughter,ingame character Lil' Girl,and inked and coloured by me http://img.photobucket.com/albums/v1...kchiba1jpg.jpg
http://img.photobucket.com/albums/v1...bGirlchibi.jpg