"Monthly Undine" is a spin-off facsimile of the undine-focused magazine mentioned in the "Aria" universe. E. T. A. Hoffmann published "Undine". The first adaptation of "Undine" was E. T. A. Hoffmann's opera in 1816. A. Hoffmann's "Undine" was revived in 1970. These are a gnome, an undine, and a fire salamander. Tchaikovsky was having difficulties writing an opera entitled "Undine", which he would eventually destroy. He wrote the opera "Undine" in 1846. Act III&colon; Duet of Undine and Gulbrand. Hugo cannot forget Undine and his bad dreams haunt him. The crew scuttled the "Undine" while abandoning ship. Adiane's name is based on the DNA chemical adenine and the elemental Undine. Meaning, origin and history of the name Undine. His opera "Undine" was performed by the Berlin Theatre. An Undine and Shamrock leader who is in charge of protecting Seven. Jen's second demon form is based on the Undine race.