What is the second link between cats eating fish and dogs eating meat and Ultraman fighting little monsters?

First line: Cats eat fish, dogs eat meat, Ultraman fights little monsters.

Second line: The rat plays tricks on the cat, the sheep plays tricks on the wolf, and the two bears play tricks on the bald man.

Cats eat fish, dogs eat meat, and Ultraman fights little monsters. For cats, dogs, and Ultraman, these are very basic things in their lives. In other words, every day of life is happiness, and happiness is reflected in every day.

This sentence comes from a love letter in an article "Little Monster Writes to Ultraman Before He Dies" by Internet writer He Yadong. Ultraman and Little Monster were originally two famous characters in Japanese animation, but in this book, they gradually transformed into two idiots in love, relying on each other and working together to achieve happiness.

"Ultraman" There are 68 Ultramans.

Showa Ultraman: Zoffi, Ultraman, Seven, Jack, Ace, Taro, Ultra's father Kane, Ultra's mother Mary, Leo, Aster La, King of Ultra, Jonias, Eddie, Julian.

Heisei series Ultraman: American Ultraman Scott, Chuck, Bass, Gray, Parvat, Zaas, Tiga, Dyna, Gaia, Agul, and Nai Si, Gauss, Justis, Regedo, Nexus, Noah.

Retro Ultraman: Neos, Seven 21, Max, Geno, Mebius, Hikari, Seven X.

The new generation of Ultraman: Zero, Saga, Galaxy, Victory, Galaxy Victory, X, and Orb.

Dark Ultraman: Shade, Evil Tiga, Carmilla, Hitler, Daram, Chaos, Chaos Ultraman Clemedi, Enhanced Nai Os, Dark Faust, Dark Mephistopheles, Dark Zaki, Evil Blue Seven, Ultraman Chaos, Dark Lopus Sero, Dark Ultraman, Dark Seven, Dark Tiga , Beria.