Oh my I just have the biggest crush on this man. Johnny Galecki - Leonard from Big Bang Theory
Just Johnny Galecki being awesome.
Johnny Galeki :P Gotta love a geek..
Happy Anniversary, 'Roseanne'! 25 Things You Didn't Know About the Classic Sitcom. David (Johnny Galecki) and Darlene (Sara Gilbert)
He's not tall enough, but in this pic Johnny Galecki could be Richard from Anita Blake.
Johnny Galecki being awesome. Watch out Kaley Cuoco
Jim Parsons, Kaley Cuoco, and Johnny Galecki.
Johnny Galecki. Man of my dreams.
hay hay hay!!!