Who are your "oh shit" characters?

Online Balrog by a long shot.
jab jab medium sweep, jab forward dash, jab jab walk throw, jab jab walk frame trap
ex dash upper whiff unpredictable, now he’s in and countering your button.
Get some range, eat safe dashes all day.

a nightmare for Akuma.

FUARK ZYZZ BRAH I KNEW YOU WERE ALIVE

Blanka, Sagat, Zangief, Rufus, viper, T Hawk, El Fuerte, chun Li, Blanka, Oni, Blanka.

Did I mention Blanka? Mostly these people give me problems, some fun at higher play, others tend to be using scrub tactics and take advantage.

Abel.
nnnggppplfff

Try to get in, “I SELECT!” -> command grab or some nonsense.
Usually turns into a waiting game.