The above 2 always Ninja me.

both are male and older than me

^ Both of them are below the age of 16.

Both have Gen V Pokemon themes.

The characters in both themes (Riku and Emolga) both consist of Yellow.

^ Both have the number 5 in their blog entries.

have a higher post/day than me.

have more posts than me..for now.

Both usernames start and end with a constanant

^^ both are Lonely natured

Both of them have number of posts higher than I am.

Both of them have Pokemon I have no idea about (assuming the former's avatar is an actual Pokemon. Shows what I don't know if it isn't).

Both have something blue in their sig or avatar.

Both joined the forums in 2012
Both are male (according to profile information)

Both's posts mention an user's avatar!

Both users have some BAMFs in their forum sets.

^ Both have 2 or more letters repeating each other in their Username.

^ Both have their age as 19 at the time of posting.

^ Hikari10 has both visited their profile recently.

^ Both of the above have set their gender to 'Male'.

Both joined around late 2012.

joined after I joined.

Both are paired with the same person.

^ Their avatars are the same Pokemon/person with their signatures.

^ I see both here in Other Trivia more than anywhere else.

^ They both don't have any letters that are the same in their Username.