- SECRETADMIRER
- Unidentified sender of what's hidden in 20-, 36-, and 42-Across
- Cyrano, vis- -vis Roxanne
- Reticent Romeo
- Sender of an anonymous valentine, perhaps
- Valentine sender, maybe
- Anonymous fan
- Anonymous writer, maybe, and a hint to the devotee hidden in 17-, 25-, 50- and 60-Across
- Covert coveter
- Anonymous valentine sender
- Sender of an unsigned valentine
- Too shy a lover
- Mysterious letter writer, maybe
- Nondisclosure enthusiast?
- Valentine source, possibly
- Person who might buy gifts off of someone's wishlist without taking credit for it
- Part of myriad Mir errors?