Here are a few troops and spells to add. I couldn't find this forum on my Android, it kept redirecting me to the Ideas and feature requests!
Name: Bone Dragon (Aka Scales)
Cost: 400 Dark Elixer (Level 1) 430 DE (Level 2)
Housing space: 20
Training time: 25 Min
Damage per Second:
- Normal attack damage: 120 (Level 1), 160 (Level 2)
- Poison after damage: 50 (Level 1), 75 (Level 2) - This multiplies by 2 every 10 seconds. Can wear off in 30 seconds. (Affects all buildings and Clan Castle Troops in radius)
- Spread range: 4 (Level 1), 6 (Level 2)
Hit points: 2000 (Level 1) 2500(Level 2)
Movement Speed: 18
Description: Born from the depths of the Dark Elixir, a Bone Dragon has a venomous breath that can poison Clan Castle troops and enemy towers! Beware! You can not heal him!
Other information: if a Bone Dragon is in the CC, healers and healing spells can reduce the damage of Poison.
Image:
http://kingdomrushtd.wikia.com/wiki/Bonehart
Name: Engineer (Might be similar to a witch, but produces different units!)
Training Cost: 13500 Elixer (Level 1), 14000 (Level 2), 14500 (Level 3)
Housing Space: 20
Damage Per Second (Primary): 125 (Level 1), 150 (Level 2), 200 (Level 3)
Hit Points: 110 (Level 1), 160 (Level 2), 210 (Level 3)
Movement Speed: 15
Description: Need a helping hand? Call an expert "builder" to "manufacture" combat robots on the field! Combat robots copy most of the abilities as normal elixir (Barbarians, Archers, Giants, etc) units! (Spawns Robots)
Other information: Robots spawn at random, if the Engineer is building a robot he is vulnerable to attacks.
Image:(He doesnt have to be a monkey, but he needs a over sized wrench!)
Source: http://bloons.wikia.com/wiki/Monkey_Engineer
Name: Robots (Robots do not have a training cost, nor housing space)
There are 5 types of robots that can be created by the Engineer. They are Catapult, Drone, Mecha, Thunderer and Regi. They copy the stats of NORMAL Elixer troops
Robots like electricity, so when hit by a Hidden Tesla or Lighting spell, They go into a rage.
Robots are wooden, so they will die instantly to a Inferno TowerCatapult - Similar to Archer Stats - Spawns 35% - Spawn limit 20
Image:
Source: http://www.igreenspot.com/wp-content/uploads/egg-and-yolk-wooden-robot1.jpg
Drone - Similar to Barbarian Stats - Spawns 35% - Spawn limit 20
Image:
Source: http://playstationallstarsfanfictionroyale.wikia.com/wiki/Sackbot
Mecha - Similar to Giant Stats - Spawns 15% - Spawn limit 5
Image:
Souce: http://www.greendiary.com/tyler-jackson-creates-post-apocalyptic-robot-exoskeletons-from-reclaimed-wood.html
Thunderer - Similar to Dragon - Spawns at 10% - Spawn limit 2
Image:
Souce: http://www.damngeeky.com/2012/06/26/2576/robotics-wooden-dinosaurs-can-move-and-bite-too-wvideo.html
Regi - Similar to PEKKA - Spawns at 5% - Spawn limit 1
Image:
Source: http://kamisamadolls.wikia.com/wiki/Kakashi
(you should watch this anime)
Note: As the Engineer upgrades, the health and damage increase as well.
Name: Pirate Airship (Still considered as Archer Airship)
Training cost: 10000 Elixir (Level 1), 15000 Elixir (Level 2), 20000 Elixir (Level 3), 25000 Elixir (Level 4)
Training time: 30 Minutes
Housing Space: 30
Damage Per Second:
- Primary attack (Cannon fire/Archer fire): 100 (Level 1), 150 (Level 2), 200 (Level 3), 250 (Level 4)
- Secondary attack (Bomb Drop): 200 (Level 1 - 2), 450 (Level 3 - 4)
- Rare attack (Spawn): Can drop Pirates (Optional)
Hit Points: 1500 (Level 1), 2500 (Level 2), 3500 (Level 3), 4500 (Level 4)
Movement Speed: 12
Description: A Airship full of Pirates! They come from the seas to plunder on the villages full of gold!
Image:
Source: http://www.polycount.com/forum/showthread.php?t=131070



(He doesnt have to be a monkey, but he needs a over sized wrench!)









