Kyo Masaru / Sailor Earth

"I am the Handsome Guardian who fights for Love and for Life. I am Sailor Earth! In the name of Earth, I'll make your life flash before your eyes!"

- Sailor Earth's stock introduction Kyo Masaru (まさる き, Masaru Kyo) the civilian identity and present-day incarnation of Sailor Earth  (セーラーアース, Sērāāsu). He is the second Sailor Guardian, along with Ami Mizuno, to be introduced in the anime.

Etymology
Kyo: Kyo's first name in Japanese is written in hiragana as "きょ", which can be read as "村", which can mean "city" or "village" in Japanese. It was chosen to indicate that Kyo is a protector of the city.

Masaru: The kanji of "Masaru" (マサル) can translate to "victory" or "excellence."

His name completely in hiragana would be "まさる きょ" (Masaru Kyo).