Click/Space Big Voyagers (35ft): Megatron, Ultra Magnus, Tarn, Dion Voyagers (30ft): Optimus Prime, Sentinel Prime, Starscream, Slipstream, most of the Seekers, K-55, D-16 Small Voyagers (27.5ft): Shockwave, Warpath Big Deluxes (25ft): Soundwave, Ironhide, Ratchet Deluxes (22.5ft): Elita One, Prowl, Lifeline, Skids, Nautica, Chromia, Barricade, Flatline Small Deluxes (20ft): Bumblebee
This won't be entirely consistent, but it is meant to give an idea of how big the characters are to each other
