Proof of voice and identity

While he did so, he straining his voice to return to his normal one. He really wanted to avoid this. It was like lifting weights while also running a marathon. "Now, can I PLEASE see Mr. Miller?"

"Uh..." The receptionist muttered, fidgeting in her chair. "You uh... you wear that body well. I guess."

"Thanks?" Walter said like it was a question, his voice rapidly increasing in pitch. An annoying side-effect to making his own voice come out. "Mr. Miller?"

"R-Right. Say, if you're free tonight, Mickey, wanna..." The receptionist asked, teasing Walter as he grabbed a cup of water. "Mr. Miller, Professor Schmidt is here! Just to warn you in advance, he has changed a lot. In looks and... in sound." She said, giggling to herself.

"Shush." Walter grunted, his voice changing back to his body's slowly, as a result of the cool water hitting his throat. "And I DO NOT sound like Mickey Mouse."

"Sure. Whatever you say." The receptionist giggled as she stood up and opened the principal's door ever so slightly. "Might eavesdrop a bit, fair warning."

"Don't you do that anyway? The walls aren't that thick, you know." Walter joked, pushing open the door with a grin.

"What... What is going on?! You are NOT Mr. Schmidt! My receptionist must have made a mistake! I SWEAR!!" The Principal, Mr. Miller shouted, jumping up from his desk.

"Yeah. Hear me out. And just to be on the safe side..." Walter trailed off, clearing his throat. "I'm me. See? Or... hear, I guess?" Walter asked, straining to use his original voice once more. "Here's my ID. Receptionist wouldn't believe it." Walter sighed, sliding his staff ID on the desk. "And why I look like, well, this... Look who I caught during, well-" Walter continued before being cut off as his voice suddenly skyrocketed in pitch. "Fuuuck, that's hard to keep up, you-" he finally said, sounding exactly like Mickey Mouse.

"I'm sorry, did you just inhale some helium?! What just happened?! And that DOES NOT answer the important question!!" Mr. Miller shouted, unsure to be completely pissed or burst out laughing.

"It's what happens after I use my real voice." Walter explained in his high-pitched voice. Obviously hearing it, the door creaked open, a hand holding a cup of water sneaking its way inside. "Thanks, toots."

"No problem, Mr. Mouse." The receptionist giggled as Walter grabbed the cup of water, drinking it down in a heartbeat. "Enjoy your chat, you two!"

"Anyway, short version. I... had an idea. So, I made a thing called an 'iBod'. Like an iPod, get it? Whatever. I had an idea!" Walter said and went on explaining.