For couple of months, Transformers Fans at TFW2005 speculated the identity of a green Westerstar with markings indicating it had been hunting Autobots and Humans. It was seen chasing Bumblebee and Co. during the Arizona Principal Photography of the latest movie; Transformers: The Last Knight.
Today, director Michael Bay has revealed the name as Onslaught (the Decepticon Combaticon?).
“Autobots beware: Onslaught is on the move.” -Official Transformers Facebook Page-