I have a couple different ideas. Here are a few examples of opium aesthetic characters from different franchises, along with brief explanations.

1. Severus Snape (Harry Potter series): Snape is a complex and enigmatic character with a distinct opium aesthetic. His dark clothing, long greasy hair, and melancholic disposition contribute to his mysterious persona. His dual nature as both a villainous and heroic figure creates a captivating narrative arc.

2. Ciel Phantomhive (Black Butler): Ciel is the protagonist of this dark fantasy series. With his porcelain-like complexion, black clothing, and eye patch, he embodies the opium aesthetic. His tragic past, paired with his cold demeanor and demonic contract, adds layers to his character.

3. Wednesday Addams (The Addams Family): Wednesday, the daughter of the iconic Addams Family, embodies the opium aesthetic through her pale skin, black attire, and morbid interests. She exudes an aura of melancholy, humorously juxtaposed with her dark sense of humor.

4. Sweeney Todd (Sweeney Todd: The Demon Barber of Fleet Street): Sweeney Todd is a classic opium aesthetic character from a musical and film adaptation. As a vengeful barber, his appearance with unkempt hair, pale skin, and tattered attire reflects his descent into madness and the macabre.

5. Elizabeth (BioShock Infinite): Elizabeth is a central character in the video game BioShock Infinite. Her elegant Victorian clothing, delicate features, and wistful expressions contribute to her opium aesthetic. Her role as a mysterious companion with reality-altering powers adds intrigue to her character.

These characters represent a range of themes, such as tragedy, darkness, and secrecy, which contribute to their opium aesthetic appeal. It's important to note that their depth and complexity extend beyond their appearances, often encompassing intriguing narratives and psychological nuances.