Archimedes was a celebrated mathematician and engineer of ancient Greece. Various things have been named after him, both his own inventions and subsequent products named in his honour. They include:

Archimedes Plutonium, eccentric individual known for his colorful "scientific" contributions to Usenet.

The Acorn Archimedes computer

The Archimedes Palimpsest

Archimedean spiral

The Archimedes Mars Balloon Probe, a planned payload for the AMSAT P5A spacecraft, set to launch in 2009.

Archimedean property

Archimedes' screw

Archimedean solid

Archimedes (CAD) - Opensource Computer Aided Design project aimed at Architects.

Archimedes crater on the Moon.

Merlin's owl in T. H. White's novel, The Once and Future King.