I really have nothing to do so lets think of some thingz

Slasher
+5% attack speed
+4% chance to cut 1 armor of the enemy stacking 10 times . [Armor Cut Ability]
Blademaster will be good (even Grom), Begginer Builder
Miner
+5% bounty
Every tower have a 5% chance to gain 5 gold every 20 seconds .
Human Worker , Begginer Builder
Storm Spirit
+10% spell damage
+5% spell crit
-15% base damage
-3% crit chance
Every tower gains an ability to do 15+2xlevel of the tower or if it can 1xlevel of creepwave ligtening(magic) damage on attack .
Undead banshee might be alright , advanced builder , but if its damage on creep wave or something it might go for - more base damage and a bit more per creepwave and be and specialist .
Master of luck
+5% + 1%xlevel trigger chance
+5% item find
+5% item quality
-5% damaga
-5% spell damage
Master of Elements
+5% +0,5% spell damage per level
+5% +0,5% damage per level
+10% +1% damage to nature
Bloodmage , Begginer .
Warcryer
Hero ability - upon using tower in 300 range of hero gains
1xcreep level damage or some fixed amount like 10%
1xcreep level spell damage or some fixed amount like 10%
5% crit
5% spell crit
10% attack speed
15 sec duration / 60 sec cooldown
Rexxar would fit good but i will think of alternative if needed .
Smasher
Not sure about this one maybe it will bug with other splash abilities .
-10% damage
Towers deal 10% of their damage in 100 aoe
Wargolem , should be advanced , but i think it might be beginer .
Pack Leader / Hunting Pack
Every tower gains 2% damage and spell damage for every tower the player have .
Some epic nice wolf

, Begginer .
Barserker
+25% damage
-50% spell damage
-15% trigger chance
Every attack increase the tower attack speed by 2% for 1 seconds , stack 10-15-20 times . I think 10 is less 20 seem much or 3% 10 times .
Troll Barserk , Specialist
Aimed Archer , Prowling Archer ( i dont seem to find right name for a sniping archer )
+30% attack damage + 1% attack damage per level
-25% attack speed + 1% attack speed per level
+10% trigger chance
-20% spell crit chance
Sylvanas might be good , but normal archer is not bad too . Specialist .
Corpse Search
Towers gain ability to explode corpses
Exploding a corpse will remove the corpse , but give it a 3% chance to drop item with 40 reduced item quality or fixed item quality not based on the tower like 50-60 .
If effected by trigger then 2% .
Meatwagon

, Begginer .
This one is for fun .
Santa .
Grand tower a present , every tower gains one of 5 abilities .
Lucky Joe - 15% item find and quality
Truck - 7% damage and 2% crit
Doll - 7% spell damge and 2% spell cirt
Robot - 10% trigger chance
Race Car - 12% attack speed
Well there is not model of santa so we might ad some dwarf to be santa

, Begginer .
Resourcer
Grands all tower chance on kill to drop .
20% 1 extra gold
5% 2 extra gold
3% 10 extra gold
1% 30 extra gold
0,1% item that grand 1 limit .
Human worker . Begginer .
Allwanting
1% all ( damage drop trigger attack speed damage to nature , damage to mass etc etc still +1 multicrit

)
Apf seems strange

but funny .
Ilidan , Begginer .
Advertiser
+3% trigger chance .
+3% attack speed .
On attack have a 5% chance to grab the attention of the enemy to waste his time , during this time its movement speed is slowed by 10% . For 2 seconds .
Goblin , Begginer .
Calculator
On tower upgrade you regain 5% of the resource spend .
High elf builder , Begginer .
I think that will be for now i need to go eat

If you want i can throw more random ideas later
