Use the last letter

[Barbas]

Arlington.

 

[Anti-American Eagle]

Naive.

 

[Johnny Novgorod]

Electabuzz

 

[Barbas]

Zapdos!

 

[Artina89]

Serenity

 

[Barbas]

Youngsters.

 

[Johnny Novgorod]

School

 

[Barbas]

Lemony.

 

[Johnny Novgorod]

Yamcha

 

[Barbas]

Angermunde.

 

[Xeros]

Ectoplasm.

 

[Johnny Novgorod]

Machamp

 

[Barbas]

Plexiglas.

 

[Artina89]

Soup

 

[Barbas]

Porpoise.

 

[Johnny Novgorod]

Ekans

 

[Barbas]

Snakes!

 

[Johnny Novgorod]

Sandslash

 

[Barbas]

Harrier.

 

[Johnny Novgorod]

Robotnik