These are my favorite characters from The Big Bang Theory. Feel free to vote on them and add any ones you think I might have missed.
http://www.ranker.com/list/the-big-bang-theory-characters/bojanthebest, videos, fictional characters, other,
Howard Wolowitz
Leonard Hofstadter
Rajesh Koothrappali
Sheldon Cooper
Penny
Barry Kripke
Bernadette Rostenkowski
Amy Farrah Fowler
Stuart Bloom
ZACK JOHNSON