Achilles' Heel: Initially, Orange Lantern (OL) has absolutely no ability to resist magic, meaning spells that others would shrug off were crippling to him. Chaos magic was even worse, as it could ignore his shields. He rectified this with a high-grade defensive magical amulet from Atlantis, but that only protects him from direct magical attacks, leaving magic-users one of his worst match-ups.
In general, since his constructs' strength are determined by avarice, he has difficulty making strong constructs in situations where he lacks strong desire. In effect, this means that a shield over a random stranger is not going to be nearly as strong as a shield over a friend, and making a construct strong enough to harm a random villain he doesn't want to fight is basically impossible.
He also employs clever tactics, advanced constructs, and sophisticated attacks as standard, but as a result he is easily flustered by direct, intense pressure that doesn't give him time to think or plan. This is in contrast to Green Lanterns, who are typically quite adept at simply reacting without thinking in combat.
Adaptational Badass: Following in Young Justice tradition, Onomatopoeia. In the comics, a guy with a gimmick. Here? A powerful magic user that uses onomatopoeia as the incantations for his spells.
Ambiguously Bi: OL has admitted he has (some kind of) feelings for Superboy, though he is still trying to make sense of them and determine whether they're anything beyond platonic. He's also commented on the attractiveness of several of the females around him. Given the ring's influence towards avarice, any Orange Lantern is going to be prone to wanting it all.
Ambiguously Gay: Reputation-wise, he started off as this, as no one could tell if he was interested in Superboy, or simply over-protective.
Armor Is Useless: Averted, so hard, with the Trope itself being Subverted by Orange Lantern, who wears high grade body armor under his Ring-generated armor, which wound up saving his life. He also points out that Robin and Kid Flash have Kevlar incorporated in their costumes, and later convinces Kaldur to wear Ocean Master's armor in battle after he claimed it as spoils of war, and arranged for Artemis and Zatanna to acquire proper armor of their own. On top of all that, when stealth goes out the window, one of the first thing OL usually does is cover the entire team in Construct-armor. So far only Connor and M'gann are the only ones he hasn't convinced to wear extra plating in the field.
Played with in regards to head covering and hand coverings; OL deems the loss of awareness and dexterity far more deletrious to his survival than a minor increase in protection.
Bad Powers, Good People: The Narrator takes great care to ensure that he stays this trope, as his ring will constantly subtly influence his mind towards avarice; he must continually counter that with meditation on his own desires and a rational breakdown of them, on top of aligning his desires with the desires of other individuals he cares about and the population at large.
Barrier Warrior: What OL often acts as, shielding his team mates and innocents from harm. When he's not doing this, he's maneuvering for an instant-immobilizing hit via precise, specialized constructs that disrupt neural activity. He combines all of this with very high mobility and a talent for intelligence gathering, situational awareness, and attacking from unexpected angles at unexpected times in order to disable enemies before they even realize they're hit.
This is later Deconstructed; Orange Lantern, Wally, and Jay Garrick theorize that Wally's heightened metabolism was caused by an impurity in his replication of the Speed formula. It's later shown that Wally is actually quite bothered by his eating disorder and dreads dealing with it for the rest of his life.
Colour-Coded Emotions: The Emotional Spectrum. Interestingly, the SI's thoughts and speech are often coloured Orange, and on occasion, the other colours of the spectrum. The Green Lanterns also demonstrate this.
Combat Medic: OL's secondary role to the team is a healer, he uses his abilities to immediately heal the team on site.
Combat Pragmatist: Orange Lantern, very much so. He prefers to disable his opponent before they even has any idea he's present, and if that's not possible, to disable them before they even realize they're hit—attacking from odd angles and through solid objects is a typical practice for him. He'll also employ more creative constructs, like a ring of high-powered sonic attacks that converge in the center—the target—for heavy damage against an otherwise-implacable foe. And even though power rings are awesome, he still caries a pistol around as a backup weapon and an advanced directed-energy weapon in his subspace pocket for use when his ring is running low on power. On top of all that, he wears custom-made armor into battle, underneath his far stronger construct armor, in case he's dealing with something that can counter his constructs or somehow hits him when he doesn't have his construct armor up. Those last few come in handy in Bialya, when his ring is running very low on power and has to fight the local military.
Curbstomp Battle: The general result of unpowered humans going up against Orange Lantern.
Orange Lantern is also at the receiving end of one, thanks to Klarion. He ends up with two chunks of raw Chaos Magic lodged in his chest and gut, which are shredding and melting his body, all the while triggering his pain receptors. Even worse, thanks to having no resistance to magic due to his lack of a soul, instead of ending after a few seconds, the spell just continues on endlessly. It takes most of his rings power to keep him alive, and the efforts of three different magic users to fix him. The rest of the Team fairs better, with the worst being M'gann, who suffers a few broken bones.
Drugged Lipstick: Orange Lantern falls victim to this after kissing Jade, because he didn't scan her lips. He found the idea of this too implausible (which, in reality, it would be, but he didn't account for the more subtle differences between his universe and YJ's universe).
Fish Out of Temporal Water: Teth Adom, the first Black Adam who later takes over the body of Theodore Adam with help from Paul, finds several things about the modern world strange and confusing, if not outright horrifying. Such as people turning away perfectly good food like bacon because of Religion, men no longer considering kilts fashionable clothing, and a funny, if disturbing, misunderstanding related to indoor plumbing and tap water, and their source.
Flat Earth Athiest: Lantern, who was an Athiest before he came to the YJ universe... and remains so, despite meeting people who are either the children of or have had direct meetings with actual gods, such as Wonder Woman or Black Adam.
For Want of a Nail: The Renegade sections. In them, OL take choices that, normally, in the main fic he would of never made. Such as Turning Sportsmaster into a construct and using the Venom-Blockbuster on himself.
Hellish Pupils: Orange Lantern can use his connection to the Orange Light of Avarice to call upon a bit of the Ophidians power, allowing him to see a persons soul, and more specifically, what they desire. While doing so, his eyes turn into that of a snakes.
Irony: Orange Lantern is mistaken for being a Palette Swap of Green Lanterns, his natural eye color is green.
Istanbul Not Constantinople: As in canon, being a DC Universe, several countries have different names, even when supervilains aren't involved, such as North and South Rhelasia instead of Korea.
Male Gaze: OL has a couple of moments: when he checked out Wonder Woman when he first met her and when he accidentally sends a mental picture of M'gann in a bikini when telepathically communicating with her.
Master of Your Domain: The Orange Lantern Ring allows the Narrator to completely manipulate his own body, along with the bodies of others.
Metaphorically True: OL says a number of things that are technically true, such as that he works for the Controllers rather than the Guardians - he certainly plans on working for them, and would submit to their authority if they asked, but they don't actually know he exists yet.
Money Fetish: Inverted by Orange Lantern. He actually disdains fiat currency, and valuable metals are only useful in their utility, and in what he can get from others with it. His ring actually disintegrates any fiat currency he tries to use, since he subconsciously views it as less valuable than the precious metals.
Mushroom Samba: No less than seven times; thrice from magic, once from the above drugged lipstick, once from magical LSD (yes, that's counted as seperate from the other three magical sambas), once from believing he was dreaming, and a mild samba ensued once from a mild concussion. He has done this so many times, the Mushroom Samba state occurring during a mission is more of a rule than an exception.
Noodle Incident: At some point in the future, the Orange Lantern Corps are responsible for an event so horrible, so nightmarish, that Abra Kadabra specifically checked for signs of them before time-traveling, and just the sight of Orange Lantern caused him to start gibbering in terror.
Martian Man-hunter and Batman gets one in episode 16 Contingency(part 22) where they meet Ophidian-infused OL
Older than They Look: OL has, thanks to the ring, obtained a "perfect" body (or rather, the "most perfect form of 'me'"), as-per his desires. Unfortunately, this makes him look much younger then he is, causing people to think he's a teenager instead of an adult. He doesn't find this out until much later, much to his horror.
His mentor, Alan Scott, also appears far younger then he actually is. It is thought to be the result of exposure to the Emotional Spectrum Light.
OOC Is Serious Business: When Paul stops taking his Ring off to meditate and starts getting more and more violently protective after the attack on the base by Red Torpedo and Red Volcano, Diana and Guy figure out that something is wrong and stage an intervention to let him know that he was being influenced by theOrange Light.
Our Souls Are Different: OL is naturally without a soul. This is a problem, as the soul is what protects people from magic. Without one, even a novice magic user can trivially incapacitate him.
Palette Swap: Suberted. Everyone thought Orange Lanterns were basically Green Lanterns with a color swap, but he proved them wrong when he temporarily killed Ra's Al Ghul..
Polite Villains, Rude Heroes: Subverted by OL, he always remains polite to villains despite knowing who they are as he thinks it would be his detriment. Lex Luthor finds his attitude refreshing.
Screw the Rules, I Have Money!: A benign example, after getting rich from asteroid mining Orange Lantern attempts to buy Alan Scott's personal lantern so he could charge his ring, not wanting to have a fight. He backs off when he thinks Alan Scott will refuse
Self-Insert Fic: A rather excellent one, as OL is not infallible, and the existing world and characters are definitely done justice—even the ones that never appear in the show.
Seven Deadly Sins: As an Orange Lantern, he's powered by Greed/avarice. He takes great care to channel this into a positive, stable, and sane lifestyle and goals.
Super Giraffeman Seven, a low-budget, superhero comedy movie.
The Strategist: OL's primary role in the team, he's the largely solves problems with diplomancy or tactics. Exemplified when he gets angry at the rest of the team for trying to fight Mr.Twister and Clayface without regard to strategy or regard to their abilities.
Suspiciously Specific Denial: When OL asks M'gann whether she's wearing clothes since she was able to shape-shift her shirt. M'gann tells him she's definitely wearing clothes, she's not naked.
Vitriolic Best Buds: Guy Gardner and OL often trade barbs when training, and often criticize the others limitations when it comes to Power Ring usage, but they eventually form a friendly rapport with each other, and show concern for each others well being. This leads to Guy being the only active Green Lantern on Earth that OL actually gets along with.
Weak, but Skilled: OL's constructs are far weaker than those of Green Lanterns, since he lacks formal training and he can't exert as much raw desire as they do will without risking going insane, but he compensates by being far more creative with their use and outside-the-box in his thinking.
Wham Line: When OL learns just why Abra Kadabra, who is from the future, was frightened nearly to death upon meeting him: ring-users taking everyone over in the future...
Orange Lantern: "Yes, Black Lanterns can be a bit of a handful, can't they?"
Abra Kadabra: "Black? No, not Black. Orange."
Wiki Walk: Mentioned as "TV Tropes disease", which caused the SI to lose two hours on the internet.