HFF Fourth Rock is based on Mars Bounce from page 83 of Brushstroke and Free-Style Alphabets: 100 Complete Fonts by Dan X. Solo and also on page 92 of The Solotype Catalog of 4,147 Display Typefaces.
According to Bill, Mars was originally a Filmotype font from the 1950s.
From: HFF <email@example.com>
Date: Sun, 06 Jun 2010 10:33:37 +0200
Subject: Introducing HFF Fourth Rock
HFF Fourth Rock is based on Mars Bounce from page 83 of "Brushstroke and
Free-Style Alphabets: 100 Complete Fonts" by Dan X. Solo. Mars Bounce is
also featured on page 92 of "The Solotype Catalog of 4,147 Display
There is this TV program that refers to Earth as the "third rock from
the sun." If Earth is the third rock... then Mars is the fourth rock.
And that is how the font got its name.
HFF Fourth Rock is a free font. You are free to use this font in any way
you want to. You can share this font with others if you wished to. Use
freely, share freely and, most of all, enjoy the font.
Attachment: HFF Fourth Rock.zip [See font download link below]