It’s older then braveheart. It’s called Happy Mac:

A Happy Mac is the normal bootup (startup) icon of an Apple Macintosh computer running older versions of the Mac operating system. It was designed by Susan Kare in the 1980s, drawing inspiration from the design of the Compact Macintosh series and from the Batman character Two-Face.[10] The logo also shares some similarities to the faces of the 1934 painting Deux personnages (Two Characters) by Pablo Picasso and to the Bauhaus emblem.[20][21] The icon remained unchanged for many years until it and its related icons were updated to 8-bit color by Lauralee Alben in the 1990s.[22]

https://en.wikipedia.org/wiki/Macintosh_startup#Happy_Mac_and_Apple_logo