Translation of "Leo" in Japanese

As Leo Tolstoy wrote,

レフ・トルストイが言うように

Can you take his place, Leo?

レオさん、明日クリスの代わりに来てもらえないだろうか。

Where Leo Eyharts is looking down at his parents,

おそらくワインとチーズを嗜んでいる 両親のいる

Leo started to roar when he was two years old.

レオは２歳のときに吠え始めた。