peRRon
RR
rr
peR and Ron are two identical twin ghost dogs and unlike Llavon, who speaks in synchrony, they get into arguments with each other about the smallest things, like if they were in the Spanish alphabet or not. Their growling makes an "rrr" sound. They are also easily forgettable because they are a digraph.
They are the only character whose main form is their lowercase form, and that's because there are no Spanish words beginning with the "rr" digraph.
peRRon is a ghost because RR was excluded from the Spanish alphabet.
His name is a combination of "dog" in Spanish (perro) + -on.