On Wiki, listed as Bisexuals. :DSource:http://en.wikipedia.org/wiki/List_of_LGBT_characters_in_animation#Bisexual 
How can this not be canon, even Wiki says so! ahhaha :) 
BUBBLINE! oh and BMO 

On Wiki, listed as Bisexuals. 
:DSource:http://en.wikipedia.org/wiki/List_of_LGBT_characters_in_animation#Bisexual 

How can this not be canon, even Wiki says so! ahhaha :) 

BUBBLINE!

oh and BMO