They weren't arch-enemies exactly, that would imply they had some equal standing against them. The ants were subservient to the grasshoppers but the main antagonists were Hopper & the Grasshoppers.
Flash's arch enemies is the two zooms
Flash's arch enemies is the two zooms
The Samurai
the arnt
Elmer Fudd & occasionally Yosemite Sam
enemies
in the serial flash. Flash and reverse flash are arch enemies.
An arch rival or enemy might be your nemesis.
the answer is nemesis
the answer is nemesis
they are very nice people :)they are "arch enemies" of the skit skats
Wading birds like Herons