Harry Potter

Sirius Black is a character of J. K. Rowling's Harry Potter series.

Sirius Black, nicknamed Padfoot, is the last heir to the House of Black, a once notable pure-blood Wizarding family. He is the brother of Regulus Arcturus Black and a cousin of Bellatrix Lestrange. He rejected his family's pure-blood elitism and reverence for the Dark Arts. In contrast to his home life, Sirius greatly enjoyed life at Hogwarts. He was proud of the fact that he was the only Black to be sorted into Gryffindor. He was inseparable from his best friend James 'Prongs' Potter and befriended Remus 'Moony' Lupin and Peter 'Wormtail' Pettigrew.

Frank Zhang is a fictional and central character in Rick Riordan‘s book series, The Heroes of Olympus, where he is a major character. A Chinese Canadian demigod son of Mars, (Roman form of Ares) he is also a descendant of Poseidon, the Greek form of Neptune, through his mother's family.Frank is first introduced when guarding the entrance to the Roman camp, Camp Jupiter. Percy Jackson saves his life after the gorgons who have been following him grab Frank by the arms. Before being claimed by Mars, Frank hopes that Apollo, the god of poetry, music, archery and prophecy would claim him, because of his excellent archery skills. However, Mars, the Roman form of Ares is revealed as his godly parent.