Ai and Cuckoo

Ai and Cuckoo, the Defective Duo is a new Hero in BTDI, composing of a humanoid robot with a television for a head and a cuckoo clock up on top.

At Level 1, Ai is initially deactivated and its monitor remains off, leaving Cuckoo to solely attack bloons on its own along with filling in the tower's quotes with "cuckoo sounds". Ai's attack, along with its quotes, are introduced upon leveling up the hero to Level 3.

Lore
Not much is known of Ai and Cuckoo's origin besides speculation of Pioneer Original having built Ai and Cuckoo during the former's duration in hiding from monkey society.

Appearance
Ai has the appearance of a humanoid robot with a television for a head. Cuckoo is the apparently sentient yellow canary of the cuckoo clock that sits on top of Ai that often pops out to chirp out its signature "cuckoo" noise.

Levels
Level 1 - Cuckoo pops out from the cuckoo clock and bashes bloons with its head, popping frozen bloons but not Lead.

Level 2 - Faster attack speed.

Level 3 - Electric Shock Ability: Range is heavily increased for 10 seconds, and Ai temporarily gains a deadly chain electricity attack that does heavy damage against bloons. Besides this, Ai itself also activates and gives the hero a secondary lightning attack (weaker than the activated ability) that happens separately from those of Cuckoo's and can have a separate priority targetting.

Level 4 - TBA

Level 5 - TBA

Level 6 - TBA

Level 7 - TBA

Level 8 - TBA

Level 9 - TBA

Level 10 - TBA

Level 11 - TBA

Level 12 - TBA

Level 13 - TBA

Level 14 - TBA

Level 15 - TBA

Level 16 - TBA

Level 17 - TBA

Level 18 - TBA

Level 19 - TBA

Level 20 - TBA

In-Game Quotes
Ai and Cuckoo are an unusual two. Cuckoo's only lines are its signature "cuckoo" chirp, whilst Ai's lines TBA

Upon placing on the map: When selected: When leveling up: When M.O.A.B-Class Bloons appear: When popping a M.O.A.B-Class Bloon: When using an ability: When placed next to Benjamin: When placed next to a Robo Monkey, Technological Terror, or Anti-Bloon: When a bloon leaks: When the game is lost:
 * "*cuckoo*"
 * "*cuckoo*"
 * "*cuckoo*"
 * "TBA." -M.O.A.B appearance
 * "TBA" -B.F.B appearance
 * "TBA" -Z.O.M.G appearance
 * "TBA" -D.D.T appearance, if below Level 5
 * "TBA" -D.D.T appearance, if Level 5 or higher
 * "TBA" -B.A.D appearance
 * "TBA" -E.V.I.L appearance
 * "*cuckoo*"
 * TBA
 * "Please don't hack me, User Benjamin!"
 * "Salutations, fellow machine!"
 * "*cuckoo*"
 * "*sounds of springs breaking, cogs halting, and machinery breaking down*"

Trivia

 * TBA