Selfship Names: S/I × F/O Explained (With Examples)
S/I means self-insert, F/O means fictional other. Here's what selfship names are, the four naming patterns people use, and worked examples for your own ship.
Two abbreviations run this whole corner of fandom, so let's clear them up first.
S/I = self-insert. That's you — either literally you, or a persona you've built to live in the fictional world. F/O = fictional other. The canon character. The term riffs on "S/O," significant other.
A selfship name, then, is the name for the pairing of those two: your S/I and your F/O, treated the way any fandom treats a ship. If you're fuzzy on the wider practice, our explainer on what a yumeship is covers the culture; this post is about the naming itself.
The four naming patterns selfshippers actually use
1. The blend
Same mechanics as any ship name. Your S/I's name and your F/O's name, cut and fused.
Let's work a real example. Say your S/I is named Marlo and your F/O is a brooding ship's captain named Dorian (invented for this post, borrowed from nobody's canon).
- First + last: Marian? Taken by an actual name — which is fine, even nice.
- His start, her... your ending: Dorlo — sounds like a pet name, very S/I energy.
- The overlap: they share an "ar/or" rumble. Lean into it: Mardor? Reads high-fantasy. Good for a fantasy F/O, wrong for a sci-fi one.
Three cuts, three different vibes. This is why selfshippers generate a batch instead of settling on cut #1. The fandom ship name generator does this with your real S/I name in about ten seconds.
2. The concept name
Instead of blending names, you name the pairing — a motif, a scene, a shared symbol. If your S/I is a lighthouse keeper and your F/O is a sailor, the ship might be called Lamplight or Low Tide. No names inside it at all.
Concept names are the most common choice when:
- The blend produces something unpronounceable or unfortunate
- Your S/I shares a name with a canon character already (endless confusion)
- You want the name to carry the pairing's story, not just its cast
3. The X format
Marlo × Dorian. Or with a slash, Marlo/Dorian. Plain, unambiguous, impossible to misread. A lot of selfshippers keep the X format as their public tag even if they have a cute blend for private use, because clarity wins in search bars and tag systems.
4. The title name
Borrowed from how some fandoms name canon ships: a phrase from a shared scene, an episode-style title, or "the [X] ship." If your S/I met their F/O in a greenhouse scene, The Greenhouse Ship is doing real work. It reads oddly to outsiders and perfectly to you — which, for a selfship, is often the point.
Choosing your S/I's name (the part you actually control)
Here's the practical secret of selfship naming: you can't rename your F/O, but your S/I's name is yours to design. Fans who know they'll want a blend often pick an S/I name with blending in mind:
- A distinctive stressed syllable gives the blend something to grip. "Wren," "Sable," "Theo," "Mina" — short names with a hard consonant edge blend cleanly.
- Avoid matching your F/O's name too closely. S/I "Ren" shipped with F/O "Renji" creates tags nobody can parse.
- It's fine to rename your S/I later. Personas evolve. A name change usually means a ship name change, and the fandom will survive it.
Run your finalists through the checks any ship name needs — say it aloud, read it in lowercase, search it — or let the ship name checker score it for balance and readability.
Posting with your ship name
A few habits make your ship name work harder:
- Use one form consistently as your tag, even if you play with others in text. Findability beats variety.
- Put the pairing in your bio or pinned post in X format so new followers instantly know the ship, then use your blend or concept name as the tag.
- Expect doubles. Someone else, somewhere, has the same F/O and possibly a similar S/I name. Your tag may not be unique. It's not a problem unless you decide to make it one.
A last word of honesty
There is no registry, no canon authority, and no naming police for selfships. The fans whose names "feel official" just picked one form, used it consistently, and posted enough that the name stuck to the pairing. You can do exactly the same thing, starting with whichever of the four patterns above feels least like work.
Frequently asked questions
What does S/I mean in shipping?
S/I stands for self-insert — the version of yourself (or your persona) that you place inside a fictional world to ship with a character. Some S/Is are basically the fan with a costume change; others are fully built original characters with their own names, histories, and designs.
What does F/O mean?
F/O stands for fictional other — the canon character you're shipping your S/I with. The term mirrors "S/O" (significant other), which is the joke and the point. F/Os can come from any media: anime, games, books, TV, films, even original works by other creators.
Does my selfship name have to be a blend?
No. Blends are one option, but plenty of selfshippers use a concept name (a word or image tied to the pairing), an X-format pairing name, or simply the two names side by side. Pick whatever you'll actually enjoy typing, tagging, and seeing on art. There's no official format to get wrong.
What if someone else uses the same ship name?
It happens — with popular F/Os, almost everything obvious is taken by somebody. Don't rename out of panic; ship names aren't usernames, and duplicates across different fans are normal. If you post publicly, adding your S/I's name or a personal motif to your tag makes your corner of it findable.