Accidentally Correct Writing: After noticing the large number of references to unseen prior events in Red Faction: Armageddon, he suggested that there was supposed to be some kind of intervening game to serve as backstory, and the intervening game would have been dreadful, judging by the fact that Armageddon got made instead. He's about two-thirds right, as it turns out; there was a Syfy original movie based on the series that was meant to serve as backstory, and by all accounts, it was indeed dreadful.
Creator Backlash: He coined the term "PC Master Race" as a joke and a jab towards people who take pride in PC gaming a bit too seriously. As the years went on, people started to use the phrase un-ironically and became exactly the joke that Yahtzee made (with some even crediting him for it). Yahtzee's feelings towards this attitude eventually boiled over in his Kingdom Come: Deliverance review where upon seeing fans in the forum praising the game's flaws and begging developers not to change it for the "plebs", he goes into a near screaming fit and curses out the people using such a mindset to defend the game while also regretting making the "PC Master Race" meme.
Cowboy BeBop at His Computer: Graham Stark describes X-Blades as Why You Don't Outsource Anime To America during his guest appearance, even though it's actually developed in Russia.
Deliberate Flaw Retcon: He's been known to do this on behalf of games he's particularly fond of, such as arguing that the clunky, awkward combat in the Silent Hill series aids in building the atmosphere and tension.
Funny Character, Boring Actor: In contrast to the witty, fast talking personality he has on the show, Croshaw is actually a socially awkward introvert. He even specifically requests that fans not approach him if they recognize him, as he is uncomfortable with interacting with his fans.
One of Us: Obviously considering he's a video game critic, but he's also been known to throw around the sort of terminology you normally only see on This Very Wiki (Genre Deconstruction for example). He has even directly referred to this wiki in his Let's Drown Out series. However, this part is a bit of a subversion, as in the last episode he called tropers "losers with no intention of improving themselves" (paraphrased).
Referenced by...: The episode "Hero Punctuation" of Doraleous And Associates has the group trying to get hired by "King Yatzee of Meh," who gives scathing critques of each mercenary, with simple cartoon flashcards for visual aid. His guards armor is fashioned to make them look like Imps.