fun cartoon character of turtle teachers like drawing coloring line art style sketch classic vintage

monochrome character teachers isolated coloring clothing cartoon drawing classic vintage artwork diagram turtle sketch design mobile person style brand like line font logo face text fun art turtle cute animal cartoon vector fun character wildlife funny nature isolated happy sea water ocean tortoise art design reptile marine adorable drawing underwater green graphic cheerful aquatic comic baby mascot shell set background children smile wild icon tropical child swim life doodle kids white summer zoo friendly