I just went through the entire list and a bunch of these owners have eggs!
the following don't have ryugotchis:
Cahly
Hollow
Lolaloveloki � �
JustPeachie
Mikal
Sam
Chambers
sugarbee
Rize
Zenitsu
Stardew
Painwheel
SabiSweaters
aymo
edit:
new ones too:
Clefairy
Mikal