Overwatch: Defense hero comparison

Listing the abilities of all the current defense heroes of Overwatch!

Compare defensive hero's cheat sheet:

Junkrat - Frag Launcher - bounces out grenades
Widowmaker - Window's Kiss - Sniper gun or a fully-automatic rifle, switch between the two.
Bastion - Configuration: Recon - mobile, submachine gun that fires bullets at medium range.
Bastion - Configuration: Sentry - stationary, forward-facing shield and gatling gun good for short to medium range attack.
Torbjorn - Rivet Gun - long range fire or close-range burst.
Hanzo - Storm Bow - arrow attacks
Hanzo - Sonic Arrow - arrow with sonar tracking used to detect enemies in its pulse range.
Hanzo - Scatter Arrow - fragmented arrow that bounces off walls and objects able to hit multiple targets.
Mei - Endothermic Blaster - short range stream of frost that damages, slows and freezes enemies in place. Also able to switch to medium range mode shooting icicle projectiles.

Widowmaker - Grappling Hook - use to launch a grappling hook which will then move the character to that spot.
Mei - Ice Wall - creates huge ice wall that blocks line of sight, prevents movement and attacks

Junkrat - Concussion Mine - able to throw a mine which can damage enemies, send them flying or can be used on self to propel into the air.
Junkrat - Steel Trap - metal-toothed trap use to immobilize and injure enemies who get to close
Junkrat - Total Mayhem - upon death, live grenades are dropped and explode
Widowmaker - Venom Mine - launch a mine which will stick to a wall, when enemies are near it will explode with a aoe poison gas.

Torbjorn - Forge Hammer - multipurpose hammer to build, upgrade and repair turrets. Also can be use for melee attack.
Torbjorn - Build Turret - autocannon that home onto enemies and attacks them. Collect scrap from dead enemies and allies to repair, upgrade which increases health and possibility to to add second cannon and a rocket launcher.
Torbjorn - Armor Pack - upgrades armor to character or any allies who pick up the object from the ground.
Bastion - Reconfigure - switch between recon and sentry modes.
Bastion - Self-Repair - restores health, unable to move or fire weapons which in repair mode
Mei - Cryo-Freeze - surrounds yourself with thick blocks of ice that enables self healing and ignores damage but disables movement and use of abilities.

Junkrat - Rip-Tire (Ultimate Ability) - a motorized wheel bomb that can be remotely triggered causing huge aoe damage.
Widowmaker - Infra-Sight (Ultimate Ability) - able to see through walls and objects to reveal enemy locations, this information is also shared with teammates.
Bastion - Configuration: Tank (Ultimate Ability) - turns into a tank with a long-range cannon that has a wide blast radius.
Torbjorn - Molten Core (Ultimate Ability) - gains a significant amount of armor and scrap. Attacks, building and repairs is faster then normal.
Hanzo - Dragonstrike (Ultimate Ability) - summons a ghost spirit dragon which devours enemies in its path way.
Mei - Blizzard (Ultimate Ability) - deploys a drone that creates a blizzard which will do aoe damage, slow down enemies, and freeze opponents solid if they linger in the effected area.