Meaningful Name: He's the Blue Ranger. Ironically, all he ever wanted was to be Red.
It goes into Fridge Brilliance territory when we realize that the Sky is Blue during the day, then becomes Red by the end of the day (The end of the series). Then, by night, it becomes black, matching the Commander's longcoats.
Story Breaker Power: Generally averted, but his Aura Vision would've easily resolved "Recognition" fairly quickly - especially during the Spot the Imposter confrontation. Unsurprisingly, neither he nor anyone else thought to make use of it... at all.
Took a Level in Badass: In Overdrive, Sentinel Knight summons him from an unspecified point post-series where he's the new Red Ranger (with Sky the Earth Commander, Doggy Supreme Commander, and Fowler retired).
This led to a fun little bit of Fanon. When you factor in the show's timeline, Z's age, her eagerness to join the team and her similarities to the actors who played Danny◊ and Kendall◊ on Wild Force, you end up with a lot of fans who like to assume that Z is their daughter (which leaves the unfortunate question of how she ended up an orphan.)
Actually, and rather sadly, a simple answer is that someone tried to kidnap her for her powers, Danny & Kendall tried to save her and, well...
Demoted to Extra: He was demoted compared to his counterpart DekaBreak from the source material. Disney forced a Fake Shemp situation that the writers didn't want to deal with, and they wouldn't have included Omega Ranger at all if they weren't stuck with so much DekaBreak Stock Footage.
Executive Meddling: Disney didn't want to deal with a seventh starring actor, so he is only ever seen in his ranger costume or as a CGI ball of light, with his voice dubbed later in ADR. This made interaction between him and the others awkward, with the result of him generally being forgotten about until they needed his zord for Stock Footage scenes — you get the sense the other rangers treat him only as a weapon.
Set Right What Once Went Wrong: Was sent back in time to stop SPD from being defeated by Devastation to avert his Bad Future. Unlike the Blue Senturion, he actually succeeds in his first appearance. He just continues fighting alongside the present-day Rangers until Nova comes to pick him up.
Ascended Fanboy: He's a fanboy, all right, but the "Ascended" part is averted; he's one of the few cast members that doesn't get a morpher at some point.
Badass: Despite getting kicked out of the academy, Boom proves his skills during the final battle with a Rousing Speech and manages to get through without a scratch on him. Of note is the fact that in the first episode, he was throwing around the three best students at the academy like they were rag-dolls during a training simulation.
Rousing Speech: Delivers one before the final battle, convincing everyone to stay and fight. Oddly enough, this speech has more of a Go Ye Heroes, Go and Die vibe, yet no one runs away after he gives it.
Laser-Guided Karma: They wanted to junk R.I.C., but rebuilt him instead. Besides the help and saves he gave throughout the series, in the final episodes, summoning R.I.C. freed Kat and Boone after Broodwing's takeover of the S.P.D. Base/Zord, enabling them to shutdown power to the Zord, enabling B-Squad to overcome A-Squad, Broodwing, and Broodwing's Generals. The outcome of the series rested on loyalty to a dog they wanted to put down.
It's Personal: He harbors a longstanding personal grudge against Cruger relating to his missing horn. Said horn was chopped off by Cruger's Shadow Saber when the two faced each other in battle an unspecified number of years prior to the start of the series.
Last Villain Stand: After the rest of his army has been defeated and captured and Omni has been destroyed, Gruumm emerges from the rubble and challenges Doggie Cruger to a final battle.
Ascended Extra: Morgana's Dekaranger counterpart was simply one of the three villains of DekaBreak's introductory arc (explaining why she was active when Shorty and Devastation showed up) and later showed up in the Abaranger crossover. She's one of the core villains in SPD.