- Ortho and his Parents
Ortho refers to the Director and the Chief Engineer as Mom and Dad. - Ortho, Birthdays and Grim – Video
When asked about his past birthdays Idia explains that he would always receive a lot of games from his parents, but he would win so often that Ortho would get frustrated. - Being a Student (pt1)
Pre-Book 6 Ortho did not have classes of his own to attend. - Being a Student (pt2)
Idia refuses to go to Playfulland with Ortho. - Being a Student (pt3)
Another way Ortho is attempting to live as a normal student is by artificially limiting his own abilities - Ortho’s Abilities (pt1) – Video
Ortho will often reference his “databanks.” - Ortho’s Abilities (pt2)
Ortho often records visual data in the form of photos and video. - Ortho’s Abilities (pt3)
Ortho will reference the various forms of analysis that he can perform. - Ortho’s Abilities (pt4)
When Kalim talks about Jamil wanting to take him to a theme park Ortho calculates the odds of such happens as “less than one percent.” - Ortho’s Abilities (pt5)
Ortho accesses Idia’s tablet remotely in an attempt to escape from Malleus’ domain. - Ortho and Halloween
During Spectral Soiree we get a hint of how much Ortho dislikes ghosts. - Ortho’s Appearance and Games
Unlike Idia, Ortho’s hair is not a manifestation of a curse. - Ortho, Azul and Leona (more here: Azul and Ortho, Leona and Ortho)
In his birthday interview Azul says that he would choose Ortho as his little brother.
Leona seems to be unusually patient with Ortho.
- Ortho and Kalim
We learn in a voice line from Kalim that his magic carpet receives cleaning from Ortho. - Ortho, Eating and Being Helpful
Ortho explains that he doesn’t get his energy through oral intake. - Ortho, Mischief and Sneakiness
Much like Lilia, Ortho seems to enjoy pranks. - Ortho, Competitive
Ortho surprises Trey with his competitive streak. - Ortho, NRC and Hacking
Pre-Book 6 Ortho did not have classes of his own to attend and only attended classes on non-test days, with Idia. - Ortho and Wish Upon a Star
During the Wish Upon a Star event Idia is less than thrilled to be assigned the role of Stargazer, despite Ortho’s encouragement. - Ortho and Idia (pt1)
(more here: Idia and Ortho part 1 – part 2 – part 3 – part 4 – part 5 – part 6)
Ortho’s “burst gear” was inspired by a need to expose overheating circuits to air, designed (by Ortho’s request) to look like the ceremonial robes worn by the other students. - Ortho and Idia (pt2)
After Malleus’ overblot Ortho checks on Idia first out of everyone. - Ortho and Idia (pt3)
Even before Book 6 there were hints that Idia is living with the guilt of what he did to original Ortho as a child. - Ortho and Idia (pt4)
Much like how he does not acquiesce to Ortho’s every invitation to spend time together, Idia also refuses to provide Ortho with the ability to walk, even upon request. - Ortho and Idia (pt5) and Fairy Gala
Vil and Crewel invite Ortho to participate in Fairy Gala IF, and when they appear in Ignihyge Idia responds, “Danger, Ortho, danger! Run!” - Ortho and Idia (pt6)
In a Chat Ortho asks Idia if they can go to an amusement park.
- Ortho and Idia (pt7)
Ortho’s tsum seems to know Idia as well as Ortho himself. - Ortho, Malleus and Lightning
Malleus and Ortho do not interact often. - Ortho’s Gear (pt1)
Ortho’s various capabilities change according to his “gear.” - Ortho’s Gear (pt2)
New Year’s Gear, Platinum Gear, Playful Gear, Precision Gear, Rabbit Gear, Stargazer Gear. - Ortho’s Gear (pt3)
In Book 7 Ortho observes that, as something that exists outside of the natural world, his will cannot be overwritten by Malleus’ magic. - Ortho and Deuce
Deuce takes Ortho to a blastcycle workshop by his home. - Ortho in the Main Story (pt1)
Book 6 begins with a hunt for Grim and Ortho asking “Does it matter if the target is alive when we bring him in?” - Ortho in the Main Story (pt2)
Ortho overrides all of STYX’S system access codes and possibly takes over the entire island, despite how he should not have the authorization to do so. - Ortho in the Main Story (pt3)
During a flashback Idia assures a newly-built Ortho that he will be able to go into space one day unassisted. - Book 7 Summary
Book 7 begins with Ortho presenting the theory that the mirror in the prefect’s bedroom in Ramshackle is a connection to another world. - Ortho and Riddle (more here: Riddle and Ortho)
During Fairy Gala IF, Riddle compliments Ortho on his technological prowess. - Ortho and Vil
When asked what dorm (besides Ignihyde) he would like to join, Ortho responds: Pomefiore.
Twisted Wonderland Reference Note 