Five Pokemon

[Squirrel]

Foongus
Roserade
Ariados
Ivysaur
Lillipup

4 Poison types... And a Lillipup 'cos there wasn't one starting with L. x]

RASCA

 

[droomph]

Raticate
Ambipom
Suicune
Cinccino
Aipom

All pokemon that I'm familiar with :P

SCARE

 

[ShinyUmbreon189]

S: Scizor
C: Chikorita
A: Absol
R: Rydon
E: Electabuzz

Rhyme.

 

[Squirrel]

Rayquaza
Heatran
Yamask
Meloetta
Entai

4 legends and, once again, an odd one out. :p

BLAME

 

[ShinyUmbreon189]

B: Blaziken
L: Ludicolo
A: Aipom
M: Magmar
E: Espeon

SHAME

 

[Golurks Were Meant to Fly]

Scizor
Hippowdon
Altaria
Mienshao
Exeggutor

All one evo lines of pokemon from all different generations!

GRAPE

 

[Hikamaru]

I'll give this thread a try...

Gothitelle
Reuniclus
Alakazam
Poliwrath
Espeon

They can all learn Psychic, that's the link.

D E V I N

 

[diab_low]

Ohhh Hikari first try and Diablo first try.

Diglett
Ekans
Volbeat
Igglybuff
Nuzleaf

R E P L Y

 

[何贤豪]

Rhyperior
Emboar
Pidgey
Latias
Yanmega

R P G O H.

 

[diab_low]

Rattata
Parasect
Growlithe
Oddish
Haunter.

N E V E R

 

[Squirrel]

Nincada
Eevee
Venonat
Elekid
Rufflet

All the first stage in their evolution families \o/

LABEL

 

[Golurks Were Meant to Fly]

Lapras
Aerodactyl
Butterfree
Exeggcutor
Lapras

It goes in cycle of super effective! Water>Rock>Bug>Grass>Water

CYCLE

 

[Avishka]

Chikorita
Yanmega
Chikorita
Lapras
Emolga

BEAST

 

[mineox100]

Basculin
Elgyem
Aggron
Snorlax
Tepig

Ducky

 

[Hikamaru]

Drifblim
Unfezant
Cradily
Kyurem
Yanmega

Look, they're all dual-typed Pokemon.

Now this one...

H I L D A

 

[diab_low]

Haunter
Igglybuff
Lickitung
Dragonite
Ampharos

B R O C K

 

[Hikamaru]

Bellossom
Roselia
Oshawott
Chimecho
Kirlia

Notice a pattern there?

Now, this one...

K A N T O

 

[Nolafus]

Krookodile
Archeops
Ninetails
Togepi
Octillery

No two pokemon share a type. Try this one:
LUCKY

 

[Murkrow]

Lanturn
Ursaring
Cleffa
Kingler
Yanma

Bleh was trying for a pure GenII team...couldnt remember any with K

Now HOENN

 

[NixChill]

H=Hitmontop
O=Oddish
E=Exploud
N=Noctowl
N=Nincada

now try JOHTO