Ok I'll join, so I assume I have to challenge everyone at the bottom of the ladder:
@Ace19212 (challenging you in 2x2)
@MJbaka (challenging you in 3x3)
@DiamondGolem12 (challenging you in 4x4, 5x5, and Square-1)
@White KB (challenging you in 3x3 OH, Megaminx, Clock, and 3BLD)
@virginia...