Question 554: Where no man has gone before

Life suggested that __X___ originated with REME, and noted that a symbol for alternating current, a sine wave through a straight line, resembles __X__, that the plus and minus signs in his eyes represent polarity, and that his fingers are symbols of electrical resistance. The character is usually drawn in Australia with pluses and minuses as eyes and the nose and eyes resemble a distorted sine wave.
Given below is a poem describing the exploits of __X__

“Clap my hands and jump for joy;
I was here before ___X___.”

“Sorry to spoil your little joke;
I was here, but my pencil broke.”
— __X___

Simple Enough

1) ID X

2)What is X famous for

Light at the end of the tunnel

Hey all you board exam writers,
it might be a little late but here's wishing you'll the very best for them exams :)

Hope you'll answer as well there as you do on the blog! B)
Oh, and for my entertainment your consideration:

Hope none of that happens to you.

HAPPY BOARD WRITING! :)