- Serenity mispronounces words in English on purpose especially around non-English speakers. When she does it around English speakers they call her out on it.
- Videos have to be edited quite a bit as Serenity curses, when doing shows she has to be careful not to curse though she has let curses slip around Super Junior.
- When Serenity is tired her speech turns more babyish and high pitched, almost whiny.
- She never seems to pronounce her T's and D's properly which has led to interesting situations.
- Serenity has said on multiple times that her accent when speaking English is a mix of Irish and American.
- If excited about something she speaks in a rush and only those who spend all of their time with her can understand what she is saying.
- Artemis and Serenity speak both English and Korean to each other.
- When speaking English Serenity's voice is slightly deep while speaking Korean her voice is almost cutesy.
- Serenity says the word 'like' a lot when speaking.