Megatron turns Prowl into a new head for Devastator. (2012)
Inspired by their G1 toys sharing similar head designs, IDW makes Tracks and Needlenose brothers. (2015)
the Combaticons become servants to Kim Jong Du, Kim Jong Il's fictional son. (2010)
the Japanese dub Predacons sing a silly song as they hunt for Maximals. (1997)
at the climax of Beast Machines, Megatron models his final form after Optimus Primal's 'Optimal' form, for no other reason than because he's petty and wants to fuck with Primal. (2000)
concept art for Transtech, an unproduced series that would have been a sequel to Beast Machines. The toyline would have comprised both G1 and BM characters. (2000-2001)
The Allspark Almanac 2 heavily implies that Armada Starscream once visited the Animated universe. (2010)
It's been heavily hinted at in several sources over the years that every Transformer named 'Sideways' in the franchise is actually the same character, who travels between dimensions. (2002- )
a Burger King DOTM commercial has Optimus fighting Shockwave, done by superimposing Shockwave's model over Sentinel Prime's. (2011)
contrary to popular belief, Shockwave does not say "Driller-Bot is thirsty" in this scene. It's just mechanical garbling nonsense. (2011)
Bumblebee stars in a Superbowl commercial. (2011)
having been written out of the movie due to severe backlash, Skids and Mudflaps' roles in Dark Of The Moon are reduced to a blink-and-you'll-miss-it cameo. (2011)
the early design for Movie Megatron's face, which was redesigned due to massive fan backlash. (2007)
promotional renders for the 2007 movie; featuring the bots in all sorts of strange poses. (2007)
early during production of the 2007 movie, Paramount and Steven Spielberg wanted all the Transformers to be mute. Hasbro intervention vetoed this, and they arrived at the compromise of only Bumblebee being mute. (2007)
Movie Bonecrusher owes his entire existence to this picture of the Buffalo minesweeper that drastically exaggerates the size of its fork. (2007)
unused concept art for a dragon-mode Megatron for The Last Knight. (2017)
Aaron Archer designed the 2007 movie Protoform Optimus Prime toy in A SINGLE DAY. (2006)
Dead End becomes a vampire. (2010)
Bumblebee regained his voice at the end of the 2007 movie, but Revenge Of The Fallen has him mute again. The tie-in comics explained that Starscream had attacked him and caused him to once again lose his voice. (2009)
in an alternate timeline where the Decepticons won in the 2007 movie, Unicron possesses Cybertron and attempts to gobble up the Earth. (2007)
unused concept for the three Arcee siblings' combined form. (2009)
Jolt was a last-minute addition ROTF, added to the script during the infamous Writers' Guild strike. He only appears in robot mode in three scenes of the movie, has no lines whatsoever, and didn't appear in any tie-in material until a year after the movie's release. (2009)
the majority of voices in the Cyber Missions webseries was done by a mysterious, unknown man named Bronco D Jackson. (2010)
Bumblebee creates an Autobot sigil in the ground after stomping in it for 5 whole seconds. (2010)