Who resigned as Vice President over a tax evasion scandal during Nixon's presidency?

Spiro Agnew

Who is known as the main protagonist from the 'Half-Life' series? Which snowboarder made history by winning consecutive Olympic gold in men's halfpipe in 2006, 2010, and 2018? Who provided the voice of the Grinch in the original animated Christmas movie 'How the Grinch Stole Christmas' (1966)? What's the shape of the bases in a triangular prism? What sweet treat is commonly baked into a twisted shape for Easter in Greece, often flavored with mahlepi?