If I use Lampent's "Alluring Fireball" attack or Elektross' "Suction Shock" attack and my opponent has no Benched Pokemon, do I do damage to or get to flip to paralyze the current Active?
No. The attack specifies that the damage and effect are only done to "the new Active Pokemon"
Source: Obsidian Flames FAQ; TPCi Rules Team (2023-08-10)

Relevant cards

Note: All applicable cards may not be listed below.
SV3_37
SV3_37
SV3_69
SV3_69