There are several iconic Autobots and Decepticons in the Transformers franchise, with many of them debuting in Generation 1. One such Autobot from this era was Prowl, known mostly for his police car alternate mode. But despite being somewhat prominent in G1, he's never shown up in any of the live-action movies.
Source：https://www.cbr.com/prowl-yet-to-appear-transformers-movies/
