Roach
A nuisance to most, roaches' incredible survivability sets them apart from other species.
This NPC can be found in
Thousand Needles (22), Desolace (9), Ashenvale (9), Duskwood (8), Redridge Mountains (4), Tirisfal Glades (4), Azshara (4), The Cape of Stranglethorn (2), Silverpine Forest (2), Stonetalon Mountains (2).