Experts are still arguing that question.
The character of Flapjack is not written with sexual orientation
Nothing is known of her sexual orientation.
Soko's sexual orientation is heterosexual/straight.
The Joker's sexual orientation is not written into his character.
The first country to establish a constitutional ban against discrimination based on sexual orientation was South Africa. This significant provision was included in its post-apartheid constitution adopted in 1996, which prohibited discrimination on various grounds, including sexual orientation. South Africa's constitutional commitment to equality and human rights has been recognized as a landmark achievement in the global context of LGBTQ+ rights.
The fictional character of Yoshi is not depicted with sexual orientation.
The SNL character "Gilly" was not written with sexual orientation.
Matt Evers' sexual orientation is not known.
The sexual orientation of David Rodriguez is unknown.
Frankie Muniz has not stated his sexual orientation.
I think you mistake "sexual orientation" with specific types of orientation. Sexual orientation is a part of every humans make up. A person can not have a sexual orientation. Your sexual orientation is what makes you gay, straight or bisexual. Homosexuality IS illegal in some countries. You can outlaw a behavior but you can't outlaw an urge or feeling.
Reginald VelJohnson has not publicly spoken about his sexual orientation.