* BadLiar: She's not that good at making excuses for the fairies' mischief.
* [[EveryoneCallsHimBarkeep Everyone Calls Her Mediator]]
* FirstPersonSnarker
* NoNameGiven: The ending credits list her as "[[{{Narrator}} Watashi]]".
* [[spoiler:PrehensileHair]] : A side effect of the [[spoiler:Fairy Co. hair grow Lotion]]
* SweetTooth: Possibly, seeing as how she bakes sweets as a hobby.

* [[spoiler: IJustWantToHaveFriends]]: During her younger years.
* LargeHam : When she's talking about her [[YaoiFangirl passion]].
* {{Shipping}}: Invoked and spoofed, she ships ''chess'' ''pieces''!
* TsurimeEyes
* YaoiFangirl: Becomes her source of income.

* CuteMute
* NoNameGiven
* WildChild: Just hidden by the fact he doesn't speak

* CatGirl
* EverybodyKnewAlready: It becomes fairly obvious that Pion is not human as the story goes on, but she only reveals the fact towards the end of her story.
* MagicSkirt: Just how is she able to fight in a skirt like ''that''...?
* ScarfOfAsskicking: And boy, does she ever.
* UnfortunateName: Which leads to the Mediator to give her the nickname of P-ko.
* VerbalTic: Ends sentences with "de arimasu", further lending to her weird personality.

!Oyage/Otaro [[spoiler: Voyager]][[quoteright:225:http://static.tvtropes.org/pmwiki/pub/images/860593293364_9051.jpg]]
A strange character, that appears in episode 6, and the target of the Pion's Mission, and is implied they are somehow related. [[spoiler: latter in the show is explained as he is the AnthropomorphicPersonification of the Space probe Voyager, that has gained self awareness and desired return to earth, forcing Pion to seek for him]]

* AnthropomorphicPersonification: [[spoiler: Of the deep Space Probe Voyager]]
* CallingYourAttacks
* DoAndroidsDream: [[spoiler:Its revealed that the reason he return to earth is because he felt alone in the immensity of the space.]]
* GratuitousEnglish
* EveryoneCallsHimBarkeep: A odd example. As with Pion's name, its formed for some letters [[spoiler: they remember of their real names]] being adapted into Japanese names ("O" and the suffix "-taro", that denotes a male name), but is revealed that his name is [[spoiler: V''oyage''r, just as the spacial Voyager Program]], so overlaps with HisNameReallyIsBarkeep.
* MoeAnthropomorphism
* MegaNeko: Killer Death Cat, his ultimate form, ''somehow.''
* MotorMouth: Talking about the Behemoth Bulldozer he built.
* ScarfOfAsskicking: Trademark alongside with Pion/Piko. Its that so that he even uses it when in the Big Brother Suit
* ShoutOut: He gets a [[Franchise/BioShock Big Brother Suit]] out of nowhere in episode 6.
* SpearCounterpart: To Pion.
* TechnoBabble: all of the specifications of the Behemoth are this, including a Old Wise Brain as a CPU and a Super Stellar Motor.
* TsurimeEyes
* [[YouGottaHaveBlueHair You Gotta Have Cyan Hair]]