For those who don't know what a signature attack is, it's an attack only one pokemon can learn. 1!! For example delibird's was present, but in R/S/E/FR/LG, togepi and a few others can be breed with it. This thread is for sigs before D/P, so Blaziken's blaze kick is legit even though chimchar can be breed with it. Mine's is aeroblast for Lugia.