Donnie is a minor human character who appears in the film Transformers: Dark of the Moon. He works as an employee at Accuretta Systems, a company that serves as his primary backdrop within the story. Donnie has a specific demeanor, demanding respect from his colleagues and showing a particular attachment to his binders, which he values greatly.

The central interaction that defines Donnie's role begins when a fellow employee and whistleblower, Jerry Wang, accidentally knocks Donnie's binders out of his hands at the workplace. This incident creates a point of conflict between the two men. Later, while sharing an elevator, Donnie insists that Jerry apologize for the mishap, an order that Jerry refuses to follow. This refusal contributes to the tense and dismissive relationship between them.

Donnie's personality is further illustrated during a subsequent office meeting. As he and others are being lectured by a superior named Chuck, the group witnesses the moment when Jerry Wang apparently kills himself by jumping from the building. In stark contrast to what might be expected, Donnie shows a chilling lack of empathy or concern for his coworker's fate. Instead of horror or sadness, he merely chuckles at the gruesome scene on the sidewalk below, revealing a callous and uncaring nature.

His personal journey in the story does not involve growth or a significant arc. Instead, Donnie meets a potentially grim end as a direct consequence of the Decepticon infiltration on Earth. While using a photocopier, the machine transforms into Laserbeak, a Decepticon spy. In this encounter, Donnie is shot by Laserbeak against a wall and is presumably killed, making him one of the human casualties of the escalating conflict in Chicago. He does not possess any notable special abilities and serves as a minor character whose primary function is to illustrate the human cost of the Decepticon presence and the pervasive atmosphere of danger.