Shoeless Trivia: Episode 162 (So Meta)

A round of questions inspired by a recent visit to Shoeless Brewing in Greenville, SC.

1. What 2002 video game sees a vacationing Italian plumber forced to clean up graffiti created by a shadowy doppelganger on the tropical Isle Delfino?
2. Current physics says that WIMPs are more likely than MACHOs to make up the majority of what apparently ubiquitous yet hard to detect stuff?
3. Chinese gooseberries are better known as what?
4. What is the oxymoronic name of the heavy metal band formed in 1973 by Randy Rhoads and Kelly Garni?
5. What two word phrase connects the three images seen below?