I may have lost my power bracelet, but it left me with another power - self confidence.
— Gideon, "Super Dupers"
Gideon is one of the founders of Max's Band When he comes over to the Thundermans house for practice, he instantly develops a crush on Barb, which Max finds disgusting. When Oyster leaves the band to be with Phoebe, Gideon pushes for Barb to become their new lead guitarist.
In The Neverfriending Story, Gideon and Oyster become friends with Phoebe's friends, which upsets both Max and Phoebe. When the new group of friends go to the movies, Gideon sits between Cherry and Kelsey and keeps hitting on both of them.
After Phoebe's disastrous epic fail video, Gideon becomes Phoebe's number one fan and keeps trying to get Phoebe to date him. Max even teases Phoebe about it. During the ballet performance, Gideon records Phoebe hoping for an epic fail. He says how much he loves the Black Swan, only to realize that it was actually Max and not Phoebe. At the end, he gives the video to Phoebe to upload the chirper. The video wins the contest.
Max's Band has to use rat race to make major decisions. Gideon's rat keeps winning, while Max's rat always loses. Phoebe and Max want Max's Band to perform at the school dance while Gideon wants to perform at his mom's gas station. When Angus sides with Gideon, it becomes a tie, forcing a rat race, which Max is assured of losing. So, Max and Phoebe turn Billy into a rat to help defeat Gideon's rat.
To find out who the Rebel Raptor is, Phoebe calls all the people who might have the skills to do so, but Gideon is the only one who shows up. Gideon reveals that he thought this was a date with Phoebe. Max and Phoebe kick Gideon out of the house. He come back to ask the twins if their mom was home. Later on, when Phoebe gets punished to work on the lunch line, Gideon comes over and tells her, "I can't believe I used to go out with you."
Max introduces the new drummer for their band, Wolfgang - a German exchange student and asks Gideon to host him. When Max uses a sad piece from Phoebe's diary for their lyrics, Gideon and the rest of the band come to comfort Max. Gideon tells them that he knows how it feels because he was once burned by a girl - actually burned, with a curling iron.
Gideon is exposed as the "toilet cryer" after Cherry accidentally walks into the boys' bathroom. Max's team of bad girls plan on stealing Max's Band equipment but Gideon is still there. Max tells them that one of Gideon's weaknesses is girls. So, one of the bad girls takes advantage of that and tricks Gideon into leaving the stage. When Phoebe overhears her praising Gideon as sweet and hilarious, she suspects that something is up because Gideon is neither of those things. She goes in to save the day.
When Gideon comes over to the Thundermans house before the band gig, he still wants to date Barb. He tries to text her the address of their concert but Max stops him.
When Phoebe is desperate for a fake boyfriend so that she can triple date with Max and Allison and Cherry and Oyster, she decides to ask Gideon out because he's the only one desperate enough to go out with her. When they meet up at Farmer Ted's farm, Gideon turns out to be allergic to pretty much everything, making it miserable for Phoebe. They both end up getting captured by one of Farmer Ted's traps. Phoebe apologizes for using him but Gideon reveals that he didn't care about her either. He was only pretending to like Phoebe in an attempt to get closer to Phoebe's mom, Barb.
Gideon's grandpa is seen in this episode cheering on Gideon and the rest of Max's Band.
When Principal Bradford becomes the temporary gym teacher and starts wearing short shorts, Gideon calls the school board on him. So, Bradford decides to get revenge on Gideon by running after him and trying to hit him with dodge balls. Gideon asks Max and Phoebe to save him but they remind him that they don't have superpowers anymore. He hides in the locker. Phoebe comes up with an idea to boost Gideon's confidence by giving him a bracelet and lying to him that it's a superpower bracelet. During the next gym class, Gideon is singled out by Bradford to be humiliated by being hit with a cannon of dodge balls and lasers. Max saves Gideon using telekinesis to help him avoid being hit. Gideon concludes that he has superpowers now and starts "saving" people.
Phoebe and Max try to remind him that he's not a superhero but this only makes things worse. He declares himself a superhero, "The Giddler." He puts on a costume and starts "saving" people. In reality, Phoebe and Max are following him secretly and using telekinesis to make him think he has superpowers. To stop this, Phoebe and Max go undercover as supervillains Scuba Boy and Donut Girl to steal the bracelet from Gideon. At first, Gideon thinks he's captured them and goes to call Bradford. Principal Bradford takes the opportunity to discredit Gideon and get revenge on him for calling school board. Donut Girl and Scuba Boy steal the bracelet from Gideon, convincing him that he's powerless again. Gideon gets the confidence to stand up to Bradford. After that he gets hold of the dodge ball cannon and attacks Bradford with it.
Gideon and Cherry arrive at Hiddenville High. They tell Phoebe and Max that his and Cherry's parent have told them the same story about Heinrich Hiddenville III.
When Phoebe and Max change the past, they see Gideon and Cherry dressed as criminals. When they want to know what happened, Gideon and Cherry threaten that they were going to hurt the two of them.
Gideon has constantly been hounding Phoebe so much about them being a couple. Gideon hid in Phoebe's locker and dressed as a ghost trying to mean Phoebe's his "boo". Next, he tries balloons which annoys Phoebe.
The Thunder Monitor shows that Gideon was stringing a hammock near the Thunderman's garage so he can be closer to Phoebe. Phoebe and Max make a plan for them to be dating each other instead of them.
They make Sarah and Gideon meet at Table 7. Gideon assumed that it was going to be a double date since they were sitting next to each other. Gideon sneezes on Sarah when Phoebe orders a romantic package due to him being allergic to everything. When they were about to leave, Max uses his telekinesis to turn off the lights. Sarah trips and Gideon catches her. Sarah thanks Gideon for catching her when she tripped. Sarah tells Gideon that she likes his moist hands and Gideon tells Sarah that he likes her pimple-cream smell. When Sarah asks if Gideon would like to join her to watch the movie with her, Gideon accepts.
Sarah and Gideon confirm to Phoebe and Max that they're officially dating.
Sarah and Gideon are having a good time at the Hiddenville Coliseum. Max is trying to get Sarah back so he can meet Mark McGrath, however, Phoebe tries to stop him. McGrath comes in and tells them that Sarah and Gideon are happy with one another. Phoebe and Max learn that and won't mess with Gideon and Sarah's relationship.
Max goes to Gideon when he needs a hot tub in his lair. However, they get caught by Barb and Hank. Gideon tells Max that in Grandpa Giddy's penthouse there are no rules. Without asking Gideon, Max moves out of the house to be at Grandpa Giddy's penthouse instead. In his penthouse, Max was allowed to have a hot tub. When Phoebe comes in, Max wants her to leave and Gideon did his usual flirt much to Max's disgust. Gideon went with Grandpa Giddy to go find his rubber ducky. When they are gone, Phoebe accidentally starts a fire using the peppers Phoebe ordered. Since Phoebe and Max can't use their Freeze Breath, as a consequence of eating hot peppers, Gideon and Granpa Giddy got a fire extinguisher to take out the fire.
Gideon has a soft heart and easily gives into emotions. He has an obsessive crush on pretty much every girl he interacts with - including married women like Barb Thunderman.
- Pheebs Will Rock You
- The Neverfriending Story
- You've Got Fail
- The Amazing Rat Race
- Call of Lunch Duty
- One Hit Thunder
- On The Straight And Arrow
- Exit Stage Theft
- Date Expectations
- Chutes and Splatters
- Aunt Misbehavin'
- Thundermans: Secret Revealed
- Date of Emergency
- Ditch Perfect
- Super Dupers
- Save the Past Dance
- Can't Hardly Date
- Mad Max: Beyond Thunderhome
- He thinks Barb is hot and wanted her to join Max's band
- He has a crush on family members, Phoebe and Barb, so much so that he thinks he and Phoebe have a romantic relationship despite having never actually dated and Phoebe only considering him a friend (somewhat). Max, Phoebe, Hank and pretty much everyone finds his crush on Barb disgusting.
- He's similar to Ali Khan (played by Uday Chopra) in the Dhoom Hindi movie franchise, who also tried to get girls but hilariously failed
- He's a member of Max's band, however, the other members have shown glimpses of not liking him very much, particularly in On The Straight And Arrow.
- He plays the guitar.
- He's allergic to multiple things.
- He teaches hip-hop dance class.
- He plays the sport of cricket.