| Nick Name | Bitchfingers |
| Real Name | John Mark Galecki |
| Profession | Actor |
| Known for | Being cast in the role of Dr. Leonard Hofstadter in the comedy-drama, The Big Bang Theory |
| Debuts | Film Debut: Murder Ordained (1987) |
| Nationality | American |
| Age | 47 years |
| Date of Birth | 30th April, 1975 |
| Birthplace | Bree, Belgium |
| Hobbies | Painting, Music (he also plays cello & bass guitar), Baseball, Basketball, traveling around the world, hiking with his dog |
| Religion | Not Known |
| Zodiac Sign | Taurus |
Physical Stats
| Height | 5 feet 5 inches (1.65 m) |
| Eye Color | Light Brown |
| Hair Color | Dark Brown |
| Body Type | Slim |
Education
| School Name | Dropped out in 8th standard, though he was privately tutored at the sets of |
| Collage / Uni | He never went to college |
Family
| Father | Richard Galecki |
| Mother | Mary Lou Noon |
| Sister | Allison |
| Mirtial Status | Divorced |
Favorite Things
| Favorite Colour | Purple |
