Ascended Fanboy / Promoted Fanboy: Is mostly known for his fan abridged series where he does voice-overs, but has appeared alongside actual voice actors at cons, and is reportedly finding his way into legit anime dubs now.
In his own words, "I was always the guy who sort of sat in the corner and yelled quotes from things. I was once one of those people. Now I make the quotes."
Even earlier, in 2008, he attempted the same thing by saying he was ending the series and uploaded a "Final Episode" video, which was just a fandub of the ending of the actual anime with a few words changed. It even used "Don't Stop Believing" like the finale from The Sopranos, complete with cutoff.
In 2012, he claimed to sell Yu-Gi-Oh Abridged to Michael Bay, and posted Michael Bay's version of the first episode. As of November 2013, it's been taken down for copyright infringement along with his account… again.
Hypocritical Humour: In Dan Green Presents Abridging 101, the "Dan Green" puppet sarcastically suggests that if you can't do different voices, just use software to speed up and slow down your voice and it'll be completely convincing, before showing a clip in which people speak with ridiculous synthetic Alvin and the Chipmunks type voices. The episode of Yu-Gi-Oh! The Abridged Series that came out 10 months afterwards then introduced the Moon Steves, one of whom speaks with just such a voice.
Because he's mimicking Err, whose voice is produced the same way.
I Need a Freaking Drink: This is what apparently caused the surprising and yet hilarious results of LK's comedy roast at Youmacon 2011. The lesson learned is to never give him and his wife a large bottle of tequila... unless the situation demands a Crowning Moment of Funny.
Man of a Thousand Voices: Only Purpleeyeswtf (creator of Code Ment and None Piece) can compare not only in the scope but the incredible depth both in accent, style and intonation for every single of his characters. Seriously, they had become Internet memes by their own right.
Just about the only thing he can't do is female voices. He tries, but they're not normally very convincing. Thankfully, due to the lack of female characters in Yu-Gi-Oh!, that's not too big of a problem.
Mean Character Nice Actor: While many of his parodies are about egotistic prima donnas and/or psychopaths, Martin Billany is a man-sized fluffy teddy bear with a Heart the size of Kaiba's ego.
Not to mention all his jokes at the expense of other Abridged series, which are all in good fun.
Poe's Law: Averted when it comes to the show itself as fortunately anyone who knows about the abridged series knows that Little Kuriboh actually likes the show of course. How he treats the other abridged series makers is sadly a different story as the reaction to "Without Yugi" is a very straight forward example of this trope. (To make a long story short it's a classic case of how some people thought it was a hateful attack even though it wasn't.)
Nice Hat: His baseball cap covered in pin buttons that he tends to wear to conventions.
Ooh, Me Accent's Slipping: Mostly averted, though some quirks from his original Midlands-ish accent can be heard, such as the enunciated G in words ending with "-ing", and the enunciated S in "us", making it sound like "uzz".
The Power of Love: The reason he emigrated to the United States was to live with his wife.
He's also taken potshots at himself over the Seasonal Rot the series had in the latter parts of season 2 and season 3.
Small Name, Big Ego: Parodied. Little Kuriboh has at several points attacked other Abridged series, even at one point making a rap insulting them all, but it was all done as a laugh. Of course, many people didn't get it.
A running gag in an episode of Whachow was based on a person on a Q&A panel accusing him of being this.
Wild Mass Guessing: During his review of chapter 1 of the manga, Little Kuriboh does some guessing of his own, concluding each theory with "Now that I've said it, it must be canon!". Basically, Ushio is a highlander and grandpa Mutou has been chopping of everybody's hands and replacing them with disproportionate replicas in an attempt to make his own appearance seem less horrifying. Also the story with Ushio takes place in Gekkoukan High School
And does it again in episode 49 of YGOTAS by stating Tristan's middle name is Timothy.
And before that, in Marik's Evil Council, he states Bandit Keith's name is Steve.
Yaoi Fan: Considering how art reflects the creator, writing Slash Fic of Bakura and Marik, and the amount of time he spends shipping his male characters together in the shows themselves, LK is definitly this.
As his Fanfiction.net page proclaims "Yes, I'm LittleKuriboh. Yes, I write gay porn."