Yahoozy (previously known as Yahoozy Guacamole) is an acclaimed mapper who is known for is unique and eccentric style. His maps can be found here.

Yahoozy's zany mapping style and creative output has earned him a Dronie nomination for mapmaker/author of the year for every year since 2006, and he has won the award twice (in 2007 and 2011); he is the only person to have won the award multiple times as of August 2013. He also has a record 27 nominations for 4 wins.

Yahoozy also has five maps included in the hidden N 2.0 userlevels columns, which is the most of any mapper.

It has been claimed that Yahoozy has created the longest map, with the current shortest all-gold-demo being 9633 frames long. As of April 2020, he also holds the record for the most amount of featured maps, with 45.