hydro pump
Mudkips are not only cute but very powerful, they evolve to the very strong water ground type Swampert not only that but they can learn really good moves.
the most powerful physic move is Psycho Boost
The most powerful normal type move is Giga Impact
they are stolen bukkets filled mudkips
The most powerful rock type move is either rock wrecker and head smash
Male Mudkips are Rash, and female Mudkips are Lonely.
insidious
Psychic.
In terms of base power, the most powerful move is explosion, then self destruct, but they both cause you to faint after using them.
Magma Storm
Its eruption as the first powerful is blast burn.
Frenzy Plant