Here's basically an idea I had for Techies lore-wise (might had possible responses and voice-lines later)
As wars raged across the lands, many were driven out of their home and condemned to wander the world. One such group, lost among the steep hills of Ragash, found against all odds a miracle: a wondrous city, with high ramparts but completely void of inhabitants, lay opened before them. Dubbed Syrac, It became an impregnable refuge for those seeking respite from struggle and death.
It is in this mysterious place that Squee, Spleen, Spoon and Slam were born. And while most just accepted Syrac as a home, the four Techies, with their passion for mechanics, sought to plumb its mysteries. In all its nooks and crannies, they found odd but useless devices: the Techies subsequently broke, studied, and reassembled them countless times, till slowly, they began to understand their nature, rediscovering sources of light and energy. But their biggest find lay in a battered building near the wall: studying the odd inert chemicals inside the contraptions, they knew they had found the armory. After months of gleeful experimentation, the Techies were now recreating countless weapons of destruction. Many citizens saw folly in this, but when a band of barbarians come to ransack the city were decimated by the Techies devices, most kept silent. Syrac now feared no armies with its high walls and the Techies mine field.
Word quickly spread of the town’s might, until they reached the ever-expanding Empire of Bones. Ostarion saw in Syrac’s technology the opportunity to strengthen his empire, and soon one of the greatest undead armies the world had ever known were assembled before it’s gates. Time and again the undead horde charged towards the town’s walls, and every time they were blown to pieces. The Siege lasted for months with neither side relenting, but deceit can often accomplish what force cannot, and even refugees can be bought. On a dark night, the Techies battle plans were stolen and sent to the Undead King: the army waded through the traps and Ostarion himself tore a hole through the wall. As the skeletons rampaged through town, Squee, Spleen and Spoon helped evacuate the inhabitants into hidden catacombs. Slam, however, had other plans. Refusing to let Syrac’s secrets come into undead hands, he made his way to the armory, bombing undead along the way, till he reached the armory, and with a maniacal glee, lit a match.
A horrific explosion shook through the entire mountains. When the three remaining Techies removed the wreckage above their hiding place, nothing was left but shambles and scattered bones. The remaining Techies, with their remaining kinsmen, now search for a new home as their forebears did. Though they may have lost their city, they stand ready to lay down their lives to protect the survivors and to ensure the secrets of Syrac do not fall in evil hands.
To make it less cumbersome, Squee will be shortened to q, Spleen to p and Spoon to o
As far as personnalities go, Spoon is the most reasonable of them, Spleen is a fighter, and Squee is the most... enthusiastic.
o: Ready p: Set... q: Go!
o: So, you want fireworks? q: I like the sound of that!
p: Time to fight! q: Otherwise called Explosion time!
q: Time to prove the big bang theory!
o: Steady with that...
p: Out of the way!
o: Careful, don't want to drop this....
q: Hey guys, How about we rig up some transport?
o: Minefield of sight
o+p+q: *imitating minesweeper sounds*
q: Bombs away!
p: Let me at em!
q: Boom! Booom!
p: Mine! q: You mean- Ah, I get it!
o: Deee q+p: Wait for it... o: Nied!
o: D-9 cartridges!
Setting up a Land mine
q: Ooooh I can't wait!
p: Our neighborhood now!
o: Remember where it is, we don't want to step on it...
q: Nope, no mines here!
q: This'll be fun!
o: They won't take our land this time.
p: Ok leave it here.... o: Caaaareful
Setting up a Stasis Trap
o: We don't want them to leave now do we?
p: What? I don't like moving targets....
q: Wait, so this DOESN'T blow up? Where's the fun in that?
Casting Suicide Squad, Attack!
o: Ok, light us up! p: My pleasure
o: Not going to go down that easy!
p: We're bringing you the pain!
o: All for one? q: All attack!
o: The best way to end... q: With a BANG!
All: Do not run, we are your friends!
All: Remember remember, the fifth of November!
p:Going out... q:With a BANG!
Casting Remote mines
o: ok, this one here... Show me that map again.
p: I'll just leave this here
q: When do I get to press the switch? o: Soon my friend
p: Trying to get our turf? I don't think so.
Killing a hero with land/remote mines
o: Oh didn't see that did you?
p: Watch your step!
q: BOOOM, BOOOM!
o: Compliments from Syrac!
o: I'd start investing in gems p: And a brain.
o: The bigger they are... Actually they all explode.
q: What, you don't like fireworks? I do!
q: Shouldn't sweep through our mines....
p: How does it feel, to be a 1million pieces puzzle?
o: I totally forgot we planted those... [giggle]
p: Watch your step. q: Hey, stop helping them.
Killing a hero with Suicide Squad, Attack!
q: Woooorth iiiit....
p: Bringing you down with us...
o: Techies p: For q: Eveeeer
Suddenly relocated (tiny toss)
o: Here p:We... q:GO!
All: Fire in the hole!
All: Bombs away!
p: Bringing the pain!
Killing a rival
o: B5! q: Sunk!
q: Oooh look, a jigsaw puzzle o: No, you DO NOT put it together
o: veni p: vidi q: EXPLODEY
o: For Syrac p: And Slam q: you sap
o: Can't find your bones, Ostarion? q: Oooh, I saw some flying miles away. [laughter]
o: So sad, you sought to strengthen yourself, and only succeeded in sacking ruins.
o: Look less where you shoot and more where you walk, Sniper
p: It’s lads like you that give war a bad name! (Tf2 reference)
p: Didn't you know that our mines melt armor, Clockwerk?
p: Oooh, I’ll enjoy studying your armor o: From Scratch! q: And Scraps!
o: So, as a fellow scientist I wanted to ask… Oh wait, he’s dead.. q: My bad!
O: Leave chemicals to the professionals! q: We have safer procedures! P: Sort of….
p: No suicide for you, Pudge!
o: Even the toughest meat can be cooked, Centaur Warrunner!
o: The spirit of the storm... p: ...blowed away!
p: Boom! q: Now, THAT is a beautiful soun
Meeting an Ally
o: Today we are allies, but later... p: We have a bone to pick with you
o: With lasers and mines p: Bombs and Missiles q: We'll blow them all away! [all laugh]
q:Squee! p:Spleen! o: Spoon! All: Standing ready!
p: Back in and to the mix!
o: Guess we shook too hard...
q: Ha, let's see... New plan: More mines! [laughter]
o: Simmer and bubble -and then q: A BIG BANG! [giggle]