Let me quote my RMSS PBP campaign as an example. This is at an "open mic" magic demonstration and I'm using the performance of an NPC in the group because it reads smoother since intent and results aren't posted separately as for PC actions. It is true that Toval Bright Butterfly is towards the high end for 1st level spell-casters in terms of PPs and spells known, although a dedicated min-maxer could surely improve significantly over his abilities. The PC Magician has fewer PPs and spell lists, but he has a +35 Shock Bolt when he can get the spell off. Teshtesh the squirrel is a familiar, another perk you can start with:
"And next we have for your entertainment, The Amazing Teshtesh and his assistant, Toval Bright Butterfly!"
The squirrel comes out first, scampers a bit, looks back and cries, "Come on! It's show time!" (Ishmael, at least, will recognize this as Toval's voice, with a bit of "silly squirrel accent" thrown in.) Teshtesh jumps onto a stump and, at the same time, Toval makes a fifty foot standing jump to land next to the stump. While Toval is not the first (nor will he be the last) to utilize a simple Leaping spell to open his act, the squirrel sells it to the crowd and gets a good laugh as well as applause.
Teshtesh mimics Toval as he casts his next spell, keeping the audience amused. Toval summons a small crow, which lands on the ground next to him. As the Elf concentrates, the crow fetches an acorn and hands it to the squirrel. The crow flies off as the Elf begins casting again, his dramatic casting mimicked again by his fuzzy companion. Nothing appears to happen, but then Toval directs a young Orc boy to throw a stick at him, which is deflected off an unseen barrier. After some more casting, there appears in front of Toval a shield, beautifully painted with the image of a Rainbow Dancer, one of most brilliantly colored butterflies of Kuhara. The Orc lad bounces a small stone off the now visible shielding.
Toval dismisses the shield and casts another spell, this time producing a weird musical droning that seems to come from the stump. As this begins, Teshtesh jumps onto Toval and scampers up to perch on the Elf's head. They go through their casting-together routine again, then Teshtesh gets down, scampers over to where a couple of serving girls are waiting and then back most of the way to Toval. Meanwhile, Toval takes off his tunic, leaving him bare to the waist. There are a few hoots and whistles from the crowd.
The serving girls bear lit candles and drip wax onto Toval, who seems not to notice as he once again casts a spell. Nothing seems to happen and he quietly preps to cast again as he continues to have hot wax dripped over him. On the second casting, a small model of a castle carved of green marble and decorated with flashing gemstones appears before him. The girls leave, Toval picks up his tunic, and Teshtesh jumps back onto the stump to take a bow. With a dramatic flourish of Toval's hand and Teshtesh's tail, the illusions are canceled. The squirrel scampers off and Toval makes a dramatic leap out of the performance area.