I always thought G1 Alpha Trion and movie Sentinel Prime looked similar. Both are old bearded leaders and mentor/father figures to Optimus. What would've the reaction been from older fans if movie
How to draw Sentinel Prime (G1) (Transformers) - YouTube
G1 Sentinel Prime by kerfufflecolor on DeviantArt
Transformers G1 sentinel prime by Jamessimon24 on DeviantArt
Movie Sentinel Prime G1 Color Scheme by AleximusMagnus on DeviantArt