Trivia

• The word "yumi" is also a type of Japanese longbow. These bows are rather large. Incidentally, Yumi is the tallest member of Team Lyoko. Her full name translates from Japanese as "beauty of the stone mountain" (ishi meaning "stone", yama meaning "mountain").
• Yumi is the one that has battled William one on one the most.
• Yumi is the first one to be lost at sea in her Nav Skid.
• Up to Season 4, Yumi was the only member of Team Lyoko who fell into the Digital Sea in Cruel Dilemma, she was brought back by Jeremie's first Materialization program. She is also the one that has almost fallen into the Digital Sea the most.
• As somewhat of a running gag, Yumi has received the brunt of most of XANA's attacks (this is especially noticeable in season one and season three).
• It is revealed in Skidbladnir that Yumi knows Morse Code, which she and her brother use to keep secrets from their parents.
• It is revealed in The Trap, Yumi has slight fear of heights.
• In season 1, episodes 6-10 (Cruel Dilemma, Image Problem, End of Take, Satellite and The Girl of the Dreams) were informally known as 'Pick On Yumi Week', because in each episode, Yumi would be the one who suffered most of the group's woes.
• Yumi is often the first one to be devirtualized on Lyoko.
• Yumi was the only Lyoko Warrior to have their Digital Genetic Code/DNA Sequence Code stolen.
• Ulrich saves Yumi multiple times from falling into the Digital Sea.