That reminds me of,
what was he called, Electroboy or something, out of the old Spiderman cartoons. He would travel along the mains power lines and came out of electrical equipment, especially televisions.
(
Moon Girl Technologies horrendous beanbag, Wed 27 May 2009, 13:11,
archived)
It might be Electro you're thinking of.
(
WHARRGARBL, Wed 27 May 2009, 13:24,
archived)