If you're looking for anime similar to Percy & the Yummies, you might like these titles.
Bow is a stray bull terrier with a distinctive black circle around his left eye. After being adopted by the daughter of a not-so-cool yakuza (Japanese gangster) family, his silliness often turns the house upside down, but the "boss" can barely do anything because Bow is now the pet of his adorable daughter.
This story follows the daily lives of a cat named Tama and his cat and dog friends. As their curiosity gets the best of them, they learn enduring values of friendship and teamwork.