Tales of Phantasia (SNES) - Weird Sprite Behaviour?

[Barack Obama]

Emulator is bsnes-rawpalettes.

The chameleon sprite below is bopping up & down, but also stretches vertically while doing that. It does that even in Tile / Sprite Viewer:


Summon Spirits - Luna & Origin:
https://www.spriters-resource.com/snes/talephantasia/
These two have the exact same effect, but I have no idea how Smithy ripped their original unstretched sprites.

Here is a bsnes quicksave from the scene above:
https://mega.nz/file/sNQVHShb#J06G__8FBd...g77IHmxlcw

Has anyone an idea what to do here?

[Deathbringer]

Is the stretching also in the tiles in the VRAM?

[Barack Obama]

Yes, the vertical stretching also appears in Tile and Sprite Viewer of bsnes-rawpalettes.

If I enable Auto-update, I can see in realtime how the sprites resize in both viewers.

Here is a HD video which shows pretty clear how it looks like:
https://www.youtube.com/watch?v=cnghQJO617A
10:36 Ifrit
1:02:24 Maxwell
2:49:01 Luna