Sumo
[suːmoʊ]Meaning
Japanese for sumo, a form of competitive full-contact wrestling
Background Story
Sumo is the Japanese word for the sport, written 相撲 and literally meaning "striking one another". The sources checked do not record it as a personal name.
Temperament

Related Names
Kujo
Derived from Japanese, meaning 'to manage' or 'to handle'
Samurai
Seke
Soja
Recorded as a feminine given name in German
Soldier
Soto
From Japanese 曹洞 (Sōtō), a Zen school
Aike
Diminutive of names beginning with Old German ekka "edge, blade" or adal "noble"
Arcanine
A Pokémon species introduced in generation I
Ashi
Avestan word for the Zoroastrian concept of Asha, "that which is attained."
Axel
Medieval Danish form of Absalom, a biblical name