okay so going by G1, the transformers were a mass produced line of robots made for both commercial use(autobots) and military use(decepticons). so since they were mass produce to make money it sorta does stand to reason that there would be several bots who share same body. ... o.k. of all of the mass produced bodies it would seem than bumblebee's line has survived, or rather, outlasted, all other mass produced lines. Examples: Bumblebee/Goldbug Cliffjumper Hubcap Bumper Tap-out Glyph (a fembot no less!) Bug-Bite (a refugee Go-Bot took on the body meaning he found an un-used 1) other than seekers, how many other bots do we know of that share the same body types? not many or at least not in this number. so from the commercial line, bravo to the "BB mold" for it has truely outlasted all others! and for our boys in the military line, way to go Seekers! you have both quality and quantity.