In the Japanese iteration of *Transformers: Energon* (*Superlink*), the Autobot "Wheeljack" is known as "Downshift" in the English adaptation. Portrayed as a reckless loner, his design pays homage to Generation 1 Wheeljack through distinctive head fins, a faceplate grill, and a classic-inspired color scheme. His *Energon* alternate mode reimagines him as a modified racing vehicle, departing from the traditional Lancia Stratos form. Within the Autobot ranks, this Wheeljack/Downshift receives fleeting mentorship from Hot Shot, though their relationship lacks narrative exploration. Assigned to a rescue team tasked with defending revitalized planets against Decepticon incursions, his precise actions and interpersonal dynamics within missions remain unspecified. The character’s origins, history prior to *Energon*, and overarching development across the series’ media are not detailed, leaving his motivations and evolution within the *Energon* storyline undefined.