Gauge and Pinkie Pie cave in Shockwave's head with a frying pan. (2020)
official Optimus and Bumblebee ponies. (2015)
Energon Cruellock's dino mode is designed to resemble the 1998 movie version of Godzilla. Signal Flare from the same line is designed to resemble the Maser tanks from the Japanese Godzilla movies. (2004)
the character designs from the Studio Trigger/Tsuburaya anime SSSS Gridman are all based on various Transformers toys, mostly from Shattered Glass.
Transformers based on Kamen Riders Den-O and V3 make cameo appearances in More Than Meets The Eye. (2013)
Josh Perez coloured a generic Decepticon (Seeker?) brown and jokingly nicknamed him 'Shitstorm'. (2015)
Nick Roche's daughter's TF OC, Sharpclaw, becomes a canon character when she features in several IDW comics. (2021)(2022)
to add more gender diversity to the show, Cybertron changes the male Nitro Convoy to the female Override. (2005)
Ironhide was supposed to be in the Prime cartoon; however due to the recent death of Ironhide in the movies, his role was taken by Bulkhead to avoid 'confusing' kids with a living Ironhide.
the Armada "Super Mode Starscream" toy is released as Thundercracker in Hasbro markets. To justify this, the Armada cartoon dub adds in a line where Starscream remarks that his new paint job "looks like Thundercracker" (2003)
G1 Arcee, and female Transformers in general, owe their entire existence to 1986 movie writer Ron Friedman having a daughter who loved Transformers. (1985)
a pin-up poster of Arcee can be seen as an easter egg hidden in the Sea Of Rust level in Fall Of Cybertron. (2012)
according to the Prime toyline, Prime Tailgate looks like this...meaning that two bots who look exactly alike have both died after becoming Arcee's partner. (2012)
Action Master Thundercracker...well, just look at him. (1991)
unused design for Rodimus Prime that would have transformed into a firetruck. (199?)
concept art for the Vintage Horror Movie Series, a proposed subline to the G1 toyline. The series would have seen several monsters from classic horror movies realized as transforming robots. (198?)
Waspinator became the whipping boy of Beast Wars purely because the writers were frustrated with his speech pattern and resorted to blowing him up to write him out of episodes early. (1996)
Galvatron gets drunk and goes on a rampage. (1998)
two instances in the G1 cartoon had Soundwave speak without the vocoder effect applied; resulting in Soundwave sounding exactly like Dr. Claw. (1984)(1986)
Corey Burton reprises his role as Shockwave in a Gamestop ad. He later expressed lament over the rushed, "gag" nature of the ad, being out of character and that it hardly even sounded like him. (2011)
Soundblaster's tragic backstory. (2021)
Pat Lee draws Optimus in a way that implies his neck is ridiculously long. (2002)