Secelia Dote, is a character in Mobile Suit Gundam the Witch from Mercury. She is a second-year student at Asticassia School of Technology in the management strategy department, who belongs to Burion House.

Secelia is a member of the Dueling Committee who known for making sarcastic and snide remarks to other students. She enjoys getting a rise out of others and flaunting her position on the Committee, and she holds very little respect for others she views as beneath her. She also revels in gossiping and learning about other people's failings and secrets, which she even uses as leverage to blackmail others into doing her bidding.

While she mostly follows gossip for her own amusement, she is observant about the broader mechanics and political stakes surrounding the school and larger conflicts. She is also willing to offer genuine personal advice to others on rare occasions.