A little crazy and maybe retarded pyro set i thought of the other day.

The Rocketman Wannabe(Pyro primary)
Hidden weapon
(+) +25% flare jump height on wearer
(+) +200% air control
(+) +10% faster movement speed
(+) All attack have 25%(1/4) chance to burn enemies for 4 seconds

Skyrocket(Pyro flare gun)
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=385870331
(+) +25% flare jump height
(+) Crits againts burning enemies
(-) No afterburn
(-) +50% self damage

???(Pyro melee)
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=84501885
(+) Crits while flare jumping
(+) +15% weapon switch
(-) -15% fire rate
(-) No random critical hit

All feedback would be appreciated.

The Ninja Star(Scout throwable)
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=226544809
(+) Projectile can bounce
and penetrates target
(+) +2 misc ammo
(+) +15% weapon switch
(+) On hit: 2 seconds bleed(can be stacked
(-) 20 seconds recharge speed

Scots' Six Shooter(Demoman grenade launcher)
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=430935694
(+) +50% clip size
(+) +20% fire rate
(-) -15% damage
(-) -15% explosion radius

Meat Grinder(Heavy minigun)
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=17748
(+) +150% bullets per shot
(+) +25% faster spin up time
(-) -35% damage
(-) -50% ammo capacity
(-) -25% fire rate
(-) -30% accuracy

Boots of Hermes(Scout secondary)
Hidden weapon
(+) +80% jump height
(+) +200% air control
(-) No double jump
(-) -50% extra jump from Jump-action Shotgun
(-) -40% extra jump limit from Jump-action Shotgun

Walkabout(Sniper rifle)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=309442686&searchtext=
(+) +100% speed while scoped(around the same speed as huntsman)
(-) -15% charge rate
(-) -20% crit damage
(-) -15 health

Silent Sleeper(Spy revolver)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=9084&searchtext=
(+) Silent killer on headshot
(+) Crits on medium ranged headshot
(+) You can shoot while cloaked
(-) Shooting while cloaked reduces your cloak by 30%
(-) -40% fire rate
(-) -50% damage againts buildings

Timely Demise(Spy sapper)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=18568&searchtext=
(+) On destruction or destroyed: explodes, the damage is based on damage done to the building
(-) -25% sapper damage
(-) Can only put one sapper at a time

Chain Stabber(Spy knife)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=512878979&searchtext=
(+) On backstab: guarenteed crits, +35% damage resistance, can't switch weapons, cloak, and disguise for 5 seconds
(-) -20% fire rate
(-) -25 health

Tazmann Terroriser(Sniper 'bow')
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=508687614
(+) On headshot: Stun enemy for 4 to 8 seconds depends on charge
(+) +25% reload speed
(-) -30% critical damage
(-) Can't be lit on fire

Flour Power(Sniper throwable)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=143839785
(+) Slows enemy down by 35% for 8 seconds
(+) Recharges for 15 seconds

The Native's Neutraliser(Sniper melee)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=176690057
(+) Alt-fire: throws your melee that can bleed enemy for 8 seconds
(+) On hit: instantly charges your melee
(-) 20 seconds recharge
(-) -25% damage

???(Medic syringe gun)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=500507665
(+) Mad milk syringes
(-) +3 degree random projectile deviation
(-) -35% fire rate
(-) -50% healing from all sources while deployed

Totenwerfer(Medic medigun)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=164661788&searchtext=
(+) On heal: 65% damage done by the patient is returned to the patient as health
(+) On uber: Provides you and your nearby teammates with the effects of Buff Banner, Battalion Backup, and Concheror at the same time
(-) -25% uber rate
(-) -99% heal rate

Vampire(Medic melee)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=433097312&searchtext=
(+) On hit: healed by 35% damage dealt
(+) On kill: drops a small health pack
(-) -20% fire rate
(-) No health regen while deployed

Boltflinger(Engineer shotgun)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=102499233
(+) +35% damage againts buildings
(+) Does damage againts sapper
(+) No reload necessary
(-) Per shot: -25 metal

Ludmilla(Engineer melee)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=91722539
(+) On hit: burns enemy fo 5 seconds
(-) -5 metal per second while deployed

Prospector's Legacy(Engineer melee)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=88590266
(+) Increases speed as health and metal decreases(up to 50%)
(-) Decreases fire rate as health and metal decreases(up to 20%)
(-) -90% health from healer and dispenser while active
(-) No metal from dispenser while active

Trench Toxicant(Pyro flamethrower)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=93438747
(+) On airblast: Bleed(since poison effect doesnt exist) enemies for 5 seconds
(+) On airblast: -35% speed on enemies for 5 seconds
(-) -30% damage
(-) +50% airblast cost

Scorch 'n Awe(Pyro flare gun)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=93466752
(+/-) Shoots grenade pills instead of flare(it still does afterburn)
(+) +25% explosion radius
(-) Only explodes on timer or direct hit

Blazer's Blunderbuss(Pyro shotgun)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=148521367
(And yes i know it's not a blunderbuss. I just like the name)
(+) On hit: Increases afterburn duration by 50%
(-) -20% accuracy
(-) -34% clip size

Sentry Shutdown(Pyro melee)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=176800752
(+) Takes no knockback while deployed
(+) +35% damage resistance against sentry
(+) +35% damage against buildings
(-) 15% slower movement speed whlie deployed
(-) 25% less damage against players

Quickster's Quickdraw(Scout peppergun)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=124058101
(+) +50% clip size
(+) On kill: 50% faster weapon switch speed, fire rate, and reload time
(-) 50% longer reload speed
(-) -50% fire rate
(-) -15% damage

N.U.C.U.L.A.R. Core(Scout throwable)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=313594395&searchtext=
(+) Mark enemies for death for 12seconds
(+) Outline enemies for 12 seconds
(-) 30 seconds recharge time

Coffin Dodger(Scout bat)
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=329893385&searchtext=
(+) +50% damage resistance while deployed
(+) immune to any negative effects while deployed
(+) Stuns enemies for 3/4 seconds
(-) -10 health per second while deployed
(-) -100% fire rate
(-) -99% damage
(-) no healing from healers and dispensers
(-) no capture rate while deployed

I just saw Uncle Dane's new weapon concepts https://youtu.be/zplSFTJgPdY and I thought I should put it here:

Brawn Over Brains(PDA)
+25 health
Your sentry gun's max level is reduced by 1
Mini sentries can't be built
If you have Support: Your dispenser's max level is reduced by 1(I added this one myself)

Tesla's Taser/Einstein's EMP(engineer's secondary)
Fires an EMP that travels up to 360 hammer units(20 feet)
Pulse damages sappers on hit
Pulse reveals cloaked spies for 2 seconds
Pulse does damage to self equal to 50% of current health

The Ammo Rezerv(Heavy's secondary)
When used replenishes ammo up to 300
Can be trown with m2 to provide medium ammo pack
Recharges at 30 seconds(can be overrode by picking up any ammo pack at full ammo)
While active can see the current metal capacity of friendly engineers

???(Engineer wrench) from a different video https://youtu.be/gelin0DLQfY
+25% damage resistance
Buildings has +25% damage resistance while redeployment
-75% movement speed while hauling
20% longer weapon switch
No healing from medics while active
(I changed some things because of Boost PDA)

All credit goes to Uncle Dane

Why are there no custom skin on the custom inviswatches and pda?