"What do the two above have in common?" Game

[Hikamaru]

^^ Those two have 3 syllable usernames and have birthdays during Summer (or Winter if you live in America)

 

[Avishka]

^^ both joined PC in 2011 and are females

 

[danaxe]

^^ both joined in a month beggining with m

 

[Hikamaru]

^^ Those two joined PC in odd-numbered years.

 

[google123]

both threads were written in the same day

 

[Hikamaru]

^^ Both their signatures have black background with white text.

 

[Aquacorde]

^ & ^^ both have usernames ending in numbers.

 

[Eucliffe]

Both have real people in their avvies and sigs.~

 

[Hikamaru]

^^ They were both born in the 90's and have links in the signature.

 

[Affliction]

Both are people I have seen before.

 

[Hikamaru]

^^ Those two are both rivals with numbers in their name.

 

[Lord Varion]

They both have '0's in their name.

Yup. that's it in my eyes.

 

[Hikamaru]

^^ Those two usernames both have a 1 in it.

 

[Gerokunz]

^^ both are joined before me...

 

[Hikamaru]

^^ Both have hidden links in the signature.

 

[Gerokunz]

^^ both have "k" in their username. XD

 

[Rodriguezjames55]

^^ both are teens and have links in their sig

 

[dewdott]

both look pretty cool :) !

 

[Hikamaru]

^^ Both joined in a month starting with "J" and both in 2012.

 

[Treecko]

Both have something Pokemon related in either their signature or username.
And both like Gen 5 related things.