Here’s the problem with that…
Your sheet for thunder currently lists 5LP and shadow COTE as having different startup times, even though they’re both 5-frame moves using the street fighter way of writing frame data.
As a simple ease of use thing, listing first active in the startup is much more convenient when quickly skimming through frame data looking for something like punishes, as you simply take the startup of a move and compare it against another move’s frame disadvantage–no adding 1 frame required.