Someone I've seen

Question

NOTE: This is another take on a riddle/rhyme kind of puzzle. My previous one didn't get a lot of good reception, and so I've tried to make this one not fall to the same fate. Hopefully you enjoy it.

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For a long time, this person was running
Something that many people were watching
Pressing buttons on a stick
Lights turning on in front of them
But these lights were different
They showed a person
This person who had done countless things
with a few others
3 of them known by a certain letter
Some of the things were good, some of them were bad
Some of them I can't even mention (and I'm glad)
They've popularized things that never would have had the traction
And instead would have succumbed to abstraction
But when in doubt, and you need a quick filler: VERWRPGLBHEERNYVGLNAQFHOFGVGHGRZLBJA!

Answer 1

Are you...

The Mythbusters

For a long time, this person was running
Something that many people were watching

Adam & Jamie were "running" the show

Pressing buttons on a stick
Lights turning on in front of them

Pressing the detonator (They're sort of famous for their explosions)

But these lights were different
They showed a person
This person who had done countless things with a few others
3 of them known by a certain letter

The build team (Tori, Kari, & Grant)

Some of the things were good, some of them were bad
Some of them I can't even mention (and I'm glad)

Some of their myths were good, bad, and unmentionable

They've popularized things that never would have had the traction
And instead would have succumbed to abstraction

They made science fun!!

But when in doubt, and you need a quick filler: VERWRPGLBHEERNYVGLNAQFHOFGVGHGRZLBJA!

i reject your reality and substitute my own

One of Adam Savage's catch phrases

Answer 2

Is this:

Television

VERWRPGLBHEERNYVGLNAQFHOFGVGHGRZLBJA

This is a cipher which when encoded

Gave:

irejectyourrealityandsubstitutemyown.

That fits with the answer:

As it shows reality but in its own technical way.

All lines are explanable. But some that are not i will try.

Pressing buttons on a stick

A tv remote.

They showed a person This person who had done countless things.

May be any news about any criminal coming on tv.

3 of them known by a certain letter.

I cant guess about this one.

Some of the things were good, some of them were bad Some of them I can't even mention (and I'm glad)

Again the news channel

They've popularized things that never would have had the traction And instead would have succumbed to abstraction.

Advantages of television.

Answer 3

Howling Mad Murdock?

For a long time, this person was running

they were 'on the run'

Something that many people were watching Pressing buttons on a stick Lights turning on in front of them But these lights were different

A tv show

They showed a person This person who had done countless things with a few others 3 of them known by a certain letter

the A-team

Some of the things were good, some of them were bad Some of them I can't even mention (and I'm glad) They've popularized things that never would have had the traction And instead would have succumbed to abstraction

they did lots of crazy stuff some (or most) of which literally defied the laws of physics

But when in doubt, and you need a quick filler: VERWRPGLBHEERNYVGLNAQFHOFGVGHGRZLBJA!

i reject your reality and substitute my own - (Howling Mad Murdock was mad)