Lettering tutorial
The Crossbar I, Double Dashes, and Other Comic Lettering Grammar
· 6 min read
Comics inherited typewriter habits, hand-lettering traditions, and a few pure inventions. The result is a grammar all its own — and using it correctly is one of the fastest ways to make lettering look professional.
The crossbar I rule
The capital I with bars top and bottom (the 'crossbar I') is reserved for the personal pronoun — I, I'm, I'll, I've, I'd — and for that use only. Every other capital I, including the I in BIG or IT'S, uses the plain sans-serif stroke. Comic fonts ship both forms precisely so you can follow the rule; software that applies it automatically (as LetterMyComic does) saves you from the most commonly-spotted amateur tell in lettering.
Emphasis: bold italic, used sparingly
Dialogue emphasis in comics is bold italic on the stressed word — not underlines, not ALL-CAPS-in-caps-text, not color. One emphasized word per sentence is plenty; when everything is stressed, nothing is. Emphasis should land where an actor would punch the line.
Dashes, ellipses, and interruptions
- A trailing ellipsis (…) means a thought fades or continues into the next balloon.
- A double dash (--) means the speech is cut off or interrupted. Comics traditionally use the double hyphen rather than an em dash.
- A balloon that continues a sentence from a previous balloon opens with an ellipsis to signal the pickup.
Breath pacing with balloon breaks
Splitting one speech into two or three linked balloons isn't decoration — it's pacing. Each balloon is a breath. Break where the actor would pause, and let the pause carry weight: a beat before the punchline, a hesitation before the confession. If a balloon holds more than two sentences, it almost always reads better split.
Numbers, caps, and the small stuff
Most comic dialogue is set in all-caps faces, so 'capitalization' lives in the font. Watch the details that still show: spell out small numbers in dialogue, keep punctuation inside the balloon's text block, and never let a line of dialogue end with a lonely orphan word if a line-break rebalance can save it.