pride flag horse!

Duke Rainbow Rainstorm Dash, Emissary of Loyalty
(she/her, cis, butch lesbian)
-small and aerodynamic, like a falcon or fighter jet. her pink ankle tattoo signifies herself as a lesbian to other ponies
-excellent flyer, partly from raw talent, partly from constant practice
-pure pegasus ancestry, she is descended from the historic pegasus Flash Magnus on her mothers side
-her normal rainbow cutie mark has wrapped around and down her leg post rainbow-power
-is married to both twilight sparkle and fluttershy, they have four children