for those who never learned

<code> makes your text monospaced, <pre> puts your text in a grey box

More unicode text is available with these tools.

This tool provides you with characters that match what you draw.

This tool lets you draw in monospace ASCII which you can then put in <code> on Tumblr.

This tool makes big-ass letters with text. Everything but the AOL fonts require monospace (<code>).

TAAAAAAKEEEEE
OOOOOOOONNNNNNN
MEEEEEEEEEEEE