I'm gonna say, you haven't eaten a live frog.
— Marty to Buffy
Marty is very competitive, just like Buffy. He is funny and witty and enjoys great conversations. He is athletic and the fastest boy in school.
Marty introduces himself to Buffy during Andi Mack's party in Dancing in the Dark. During the conversation, both Marty and Buffy try to one-up each other before introducing themselves to one another. He asks Buffy what she's done that's so great and he even jokes about eating a live frog just to one-up Buffy. Marty tries to ask Buffy out but Buffy says she's just there for the cheese puffs. He tells Buffy they should catch up later. Buffy forgets his name almost immediately.
In "She Said, She Said," Marty is in charge of timing the girls track team during their practices. He is impressed by Buffy's speed and after a few exchanges they both remember that they met each other at the party. Marty tells Buffy that she's only the fastest girl and that he is the fastest boy, faster than her. This backfires on him because it makes Buffy determined to beat him. Buffy puts him through a very tough competitive exercises and unplanned races all of which, she technically wins.
Marty faces the darkside of Buffy in She's Turning Into You. He flirts with Buffy in the hallways as they usually do. When Andi notices the flirtations and tells Buffy she might have a crush on Marty, Buffy gets determined to prove Andi wrong. So, she challenges Marty to a real race to figure out who's the fastest. Once and for all. Marty accepts the challenge. However, before the race, when one of Buffy's shoes goes missing, she concludes that Marty stole it to sabotage her chances of winning. So, Buffy retaliates by stealing Marty's sneakers and soaking them wet in the girls' toilet. Marty comes looking for his shoes only to find Buffy holding them. Cyrus helps prove that Marty didn't take Buffy's shoe. Marty wants Buffy to apologize but Buffy just says she'll replace the sneakers. Marty walks away, upset.
During Best Surprise Ever Buffy give him the new sneakers, Marty reluctantly accepts the shoes but insist on Buffy apologizing to him, which she doesn't sincerely, causing Marty to call her "apology-impaired" before deciding to accept Buffy challenge to race before being pick up by his mother.
They later decide with Buffy not to race, fearing that their relationship could change.
During Chinese New Year Marty is seen sign in up for the basketball tryouts since track season is over, before letting Buffy know that Jefferson doesn't have a girls basketball team, causing Buffy to sign up for the boys basketball team tryouts as well.
Main Article: Buffy and Marty
- Buffy and Marty met at Andi's party and instantly found great chemistry because of their similar personalities. They are both witty and super-competitive. Their conversations were usually flirtatious witty banter exchanges. After asking Buffy out and being rejected, Marty stopped talking to her and it is later said that he got a girlfriend.
- He's the fastest boy on the boys track team.
- He's just as competitive as Buffy.
- According to Andi, he has a girlfriend.
Marty: Do I know you?
— Marty & Buffy, "Dancing in the Dark"