Siki Eiki, sure, just give me sprites and dialogue.
I can't draw worth a crap. So I guess there's gotta be some kind of kind-hearted artist out there willing to help make my dream come true. As for dialogue, here's some sample lines for an adult Eiki, I guess you could use cuter/simpler versions for the younger ones.
General
Nicehead: Would mister owner like to know how he can improve himself?
Nicehead: Keeping the peace easy!
Nicehead: Eiki wants mister owner to go to heaven easy!
Shithead: Stupid owner is lazier than Komachi!
Shithead: Don't face Eiki's wrath easy!
Shithead: Shitty owner better listen to Eiki's lectures or he'll go to hell.
Confronting an accessory-less yukkuri
Nicehead: You are guilty of being uneasy. Repent easy!
Shithead: DEATH PENALTY!
Eating something good
Nicehead: Munch Munch Happiness!
Nicehead: Munch Munch is very innocent!
Shithead: Munch Munch Happiness!
Shithead: Stupid Munch Munch is sentenced to die!
Eating something nasty
Nicehead: Can't take it easy with guilty munch-munch.
Shithead: Yucky! Munch-Munch wanna die?
Orange Juice
Nicehead: Thank you for easy sweet-sweet!
Shithead: Sweet Sweet! I sentence you to get me more!
Shitting/Shat
Nicehead: A lot of poo-poo coming out
Nicehead: Refreshed! Eiki feels all better!
Shithead: Shitty convict is sentenced to eat Eiki's poo-poo
Shithead: Shitty human is sentence to lick Eiki's anyaru clean!
Hanging out with their shit
Nicehead: Mister poo-poo is guilty!
Shithead: Death sentence on mister poo-poo!
Horny
Nicehead: Who is deemed worthy to refresh?
Shithead: Refresh penalty!
Giving Birth
Innocent new life, be born easy!
Child dies
No death penalty! Come back!
Loses accessory
Nicehead: Where's Eiki's easy mister cap?
Shithead: Can't take it easy! Death penalty!
Barrier
Nicehead: Eiki will serve her time easily!
Shithead: How dare you put Eiki in jail! Sentenced to puff-puff!
Bringing out the hammer
Nicehead: Pleading my case easy!
Shithead: Death Penalty!
Toy (baton)
Nicehead: Eiki will use this to give fair judgments!
Shithead: Justice will be served!
On the run from a raper Alice
Rapists are the worst criminals!
Hurt
Nicehead: Why is Eiki being punished?
Shithead: Fear Eiki's justice! Puff-Puff!
Death Throes
Nicehead: Eiki... doesn't fear... judgment...
Shithead: Wanted... to give out... justice more...
Burnt Feet
Nicehead: The fires of hell! Not fair!
Shithead: How dare shitty human condemn cute Eiki to hell!
Castration
Nicehead: No more little judges?
Shithead: Castration is not an easy judgment!
And I can't believe I'm typing this... Sealed Anus
Nicehead: Mister Poo-Poo, I sentence you to come out!
Shithead: Mister Poo-Poo, break out easy!
... what else do you need?