Sam Witwicky

Samuel James Sam Witwicky is the main human protagonist of the first three Transformers films, he is portrayed by Shia Labeouf.

Transformers
Sam's father offered to him a car but in exchange Sam had to bring his father 3 "A"s and $2000. Sam got $2000 and 2 "A"s. Sam did a report on his great grandfather, Captain Archibald Witwicky, and at his teacher agreed to give him a B- on his report. However, when Sam explained his story to the teacher and convinced him to give him an A-. Sam's father took him to a used car dealership, after at joking about buying him a Porsche, where took a liking to a yellow Chevrolet Camaro unbeknownst to him is the autobot Bumblebee, which even the owner did not know about.