Mya Harrison's sexual orientation is not specifically mentioned in her biographies. That said, her known dating history only includes men. Some of the men she has dated are DeSean Jackson, Game, and Silk The Shocker.
Nothing is known of her sexual orientation.
The Joker's sexual orientation is not written into his character.
Soko's sexual orientation is heterosexual/straight.
The fictional character of Yoshi is not depicted with sexual orientation.
Frankie Muniz has not stated his sexual orientation.