Supporting characters who aren’t furniture

You’ve probably met a few. The friend who turns up when your protagonist needs to vent, nods, says “you’re right” and vanishes until the next crisis. Or the neighbor who exists only to hand over a clue and then evaporates. They’re in the scene the way the coat rack is: doing their job, and nobody wonders what they think.

Supporting characters don’t need as much room as your protagonist. But they do need to be alive.

Each one wants something (even something small)

The trick is the same as with your protagonist, in pocket size: every supporting character wants something. It doesn’t have to drive the plot. It just has to be there.

In Wanted: One Dragon, Mara questions the whole town on the pretext of renewing their library cards. If the neighbors were furniture, they’d answer her questions and that would be that. But each of them has their own agenda:

• Nuria, the hairdresser, wants to be the first to know everything. She answers Mara’s questions with questions.
• Julia, head of the festival committee, wants this year’s festival to go perfectly, and a theft in the square is ruining her plans.
• Iker and Unai, the twins at the bar, want the best week of the year at the register during the festival, and they’ve spent a year betting on whether the egg was “alive.” Then the dragon sets fire to their awning.

That’s why every neighbor has a motive and a terrible alibi: because each one has a life, and their lives cross Mara’s sideways, not head-on. That gives you friction, misunderstandings and scenes you don’t have to force.

And there’s a reward at the end. During the festival, Nuria fakes a fainting spell, the twins block the street with the bar counter and Julia fires the festival rocket at the wrong moment. The suspects end up as accomplices, and readers enjoy it because they know them.

Hint: for each supporting character, jot down one want and one habit. With that, a single line of their dialogue already sounds different from everyone else’s.

The B-story character

One supporting character carries more weight than the rest: the one in the B story. It’s the relationship that will change your protagonist. It might be a love interest, a friendship, a mentor, a rival. What matters is that through that relationship, your protagonist learns what they need. In Wake the Dragon, they usually walk in at “That Wasn’t in the Plan”: someone your protagonist wasn’t counting on.

In Mara’s novel, that’s Alex Garcés, Valdrago’s one and only police officer, convinced that she’s guilty. At first. They argue, trample on each other’s interviews and start laughing at the same things.

Look at what Alex does for the theme. Bruno says it almost in passing early on: “Nobody’s from here until somebody keeps a secret for them.” Alex is the person Mara learns to trust. He’s also the one keeping a secret from her: the arrest warrant. The B story isn’t romantic decoration. It’s where the theme gets put to the test.

Hint: the B-story character wants something of their own, too. Alex wants to do his job well, and for half the novel that means arresting Mara. If he only existed to fall in love, he’d be another piece of furniture. A better-looking one, maybe.

Mirrors and foils

Two tools that help supporting characters say something without spelling it out:

• A mirror resembles your protagonist in some way and makes a different choice. Bruno, the baker, also does things on his own: he hid the egg in his oven because it was warm, without telling anyone. But he does it to protect someone, not to protect himself. Mara looks at Bruno and sees another way of doing the same thing.
• A foil is the opposite, so your protagonist’s side shows up more clearly. Olivia, the mayor, has been from Valdrago her whole life and uses it as a weapon. Next to Mara, who’s hurting because she isn’t from there, the novel’s question jumps right out: what does it mean to belong somewhere?

You don’t have to label every character. But if a supporting character isn’t a mirror, a foil or the B story, and doesn’t want anything that rubs against anyone, ask yourself what they’re doing in the novel.

When there are too many

Sometimes the problem is the opposite: there are too many of them. Two friends doing the same job, three interchangeable coworkers. Try merging them into one. You almost always end up with a better character, with more to do.

And if a supporting character shows up early, disappears for a hundred pages and strolls back in at the end as if nothing happened, readers have probably forgotten who they were. Sometimes that’s on purpose. Sometimes it’s an oversight.

For today

Pick one supporting character, just one, and write a sentence about what they want. Then another about how that rubs against what your protagonist wants. If it doesn’t rub anywhere, look for where it could.

In Sunday Plot, every character has a card in the Story bible, with the same “Wants” field as your protagonist, and the Relationships tab shows you a map of who’s what to whom. Guided mode asks about your B-story character. And if a character vanishes for five chapters or more and then comes back, Checks will point it out, in case it was an oversight. Nobody misses the furniture.