Cade Yeager

Cade Yeager is a tragic inventor and the main human protagonist in the fourth installment of the Transformers film series, Transformers: Age of Extinction.

Transformers 4
In Transformers: Age of Extinction, Cade Yeager is a struggling inventor who's struggling financially. One summer, he buys a broke down truck and plans to break it down into spare parts and sell them in hopes of sending his daughter Tessa to college. One day while working on the truck, he finds out that the truck is actually an injured Optimus Prime. He helps revive him and initially plans on calling the government to turn him in hopes of getting a large sum of money, but a CIA black ops unit, called Cemetery Wind, has been tracking Optiums Prime and shows up at Cade's ranch to find him. While they threaten Cade and his family, Optimus comes out of hiding and attacks the operatives and tells Cade and his family to run away.