Whoops! I forgot to mention how I imagine the flower voices, haha. I think Flowey has a raspy voice for any neutral situation but a kind, cheery sound for any time he's being kind for whatever reason (probably just messing with people tho lol). For Shifter I think of a raspy voice but slightly lower and more... "whiney" than Floweys? When he's being honest, that "raspiness" fades to a more normal, young voice. For Pointy I definitely think a young, nervous child voice more quiet than other two
((Ooh, that’s a different take. Flowey changing his voice when he’s acting ‘kind’ is totally something he’d do, haha. It’s interesting that this feature seems to have carried over to Shifter too! I wonder if Pointy’s voice would grow raspy if he acts dishonest or mean? ))