I don;t know much about age regression i'm just getting what i know from other fanficsOne afternoon in New York City Shredder was sitting on his throne when all of a sudden he heard a baby crying. It sounded like a baby mixed with buzz. He got up from his throne and went to where the sound was coming from. It was coming from the lab. He walked in the lab and saw Dexter. Shredder knew what this was and he hates it so he picked up the fly by his wings and threw him out.Meanwhile Mikey and Donnie were on petrol and heard crying.''Sounds like a baby donnie''Donnie and Mikey jumps to where the noise was coming from Donnie saw who it was and was shocked'' no it can't be but it is Dexter''Hearing his name being messed up he began to cry. Mikey looked down. He knew what this was because he used it when the bullying got too much.Mikey picked him up and said'' it's on Baxter. I have some milk. Do you want nice warm milk? do u need me to find some acid?''Baxter did give me hands and Mikey gave him the bottle. As he was drinking he drilled some acid mikey had to hop out of the way'' looks like baby buzzkill can't control his spit in this small head space'' mikey said with a happy look in his eyesDonnie then relised what this is since he looked after mikey when ever this happenDonniee looked at mikey and said'' what are we gonna do we can't leave him here but we also can't take him to the lair he'll just blub to shredder when he's not in little spaceMikey looked at the sleeping fly and told donnie'' we have had the krangg in the lair once we can't just leave him we just have three people to deal with when we get backDonnie looked concerned '' oh we are deadDonnie and mikey made it back to the lair with a baby stock fly raph was punching the boxing bag while leo was watching space heroes donnie and mikey was going to try and sneak passed everyone when baby stock fly wake up and begun to cry raph was the first one to turn around because he thought it was mikey since mikey come clean about this stuff but he looked at who was in mikeys arms and grabbed his sies out '' MIKEY'' before raph could continue mikey shhed him'' raph qurit i have to get little baxter back to sleep''Mikey put little baxter to bed and walked out to two very angry turtles leo spoke fiset'' mikey what are u thinking bringing that fly here he'll tell shred head where we are some ninja moveMikey could't look leo in the eyes while saying '' he's like me leo i couldn't just leave him there ''All the yelling work up the baby mikey run to his room and got baby baxter baby baxter sob out '' shreddy thre me out then turtle find me i won't tell don't leave me please ''Oh baxter i'm not leaving u anywhere i'm your caregiver now when u are in a bigger mind set i'll give u a map of the swers so u can come to me when u need me and heres my number i'll put it in your phone it's gonna be ok