Ogma was a middle-aged red deer, with magnificent curling antlers. He wore glasses, a dark suit, undershirt, and tie.
His enigmatic personality was shown multiple times as he often bought Louis expensive items depending on whether he was disappointed or proud.
- Taser prod: Ogma had a taser to ward off intruders in his residence. When he had heard a scream from his son, he went to his room with the taser, but Louis was actually fine and had just felt a pain from his right leg.
- He bought Louis from the Black Market for ¥7,000,000 (seven-million yen) with the intention of making him the successor to the Horns Conglomerate.
- "Oguma" (小熊 in kanji) means a small bear. It can also refer to Oguma (小隈 in kanji), an area in the city of Asakura, in the prefecture of Fukushima.
- Ogma is named after the Gaelic god of speech, language, eloquence and learning Ogma.
- During Louis' childhood, Ogma bought an expensive 500,000-yen bicycle for failing to achieve a perfect score on a test.
|Main characters||Legoshi • Haru • Louis • Juno • Jack • Gohin|
|Secondary & recurring characters||Els • Bill • Aoba • Tao • Collot • Durham • Miguno • Voss • Legom • Tem • Riz • Sheila • Pina • Sanu • Ibuki • Free • Gosha • Yahya • Ogma • Seven • Sagwan • San • Kyuu|
|Antagonists||Mizuchi • Bill • Shishigumi • Chief Lion • Riz • Melon • Yahya • Ibuki|
|Minor characters||Mizuchi's Boyfriend • Kai • Dom • Cosmo • Utsugi • Rokume|